Updated Guidelines and Procedures on the Disposal of Unserviceable Property
Revenue Memorandum Order No. 27-99 • Bureau of Internal Revenue (BIR) Issuances • Revenue Memorandum Orders • Mar 12, 1999
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March 12, 1999 REVENUE MEMORANDUM ORDER NO. 27-99 SUBJECT : Updated Guidelines and Procedures on the Disposal of Unserviceable Property TO : All Internal Revenue Officials and Others Concerned A. Objectives 1. To prescribe a uniform procedure of disposal of unserviceable property of the BIR. 2. To help insure a systematic and timely disposal of property to avoid further deterioration in its value. 3. To generate greater benefits to the government in terms of higher appraisal value for the property, lesser storage cost and better management of limited office space. 4. To provide in one revenue issuance pertinent policies, principles, rules and regulations governing disposal of BIR properties, including those promulgated by fiscal authorities like the Commission on Audit (COA) and the Department of Budget and Management (DBM). B. Definition of Terms 1. Unserviceable property refers to unserviceable and/or no longer needed supplies, materials and equipment owned by the BIR. 2. Inspection and Inventory Report (I & I Report) or General Form No . 17-A This form is used for the disposal of vehicles, mechanized equipment, office equipment, furniture and semi-expendable materials. When accomplished, this form should also contain the list of missing parts, if any, which should be accompanied by a certification of the property officers or custodian as to whether the missing parts were removed for future stock or have been utilized already for repair purposes. 3. Waste Material Report (WMR) or General Form No . 64 (A) This form is used for the disposal of waste materials which result from the consumption or utilization of expendable materials and covers damaged equipment parts, empty containers, and remnants salvaged from destroyed or damaged fixed assets. 4. Beyond Economical Repair when the cost of repair and maintenance becomes prohibitive and disadvantageous to the government considering such factors as: 4.1 Maintenance Expenses 4.2 Downtime 4.3 Replacement cost of spare parts 4.4 Frequency of breakdown 4.5 Alternative modes such as rental of equipment or outright replacement 5. Economically Repairable that which can be rehabilitated and maintained at a cost economical to the BIR, considering the five (5) factors mentioned in item 4.0 above. 6. Equipment any property, other than land, structures and fixed facilities, having useful life greater than a year, the cost of which amounts to P10,000 or more (COA Cir. No. 97-005) and which when used does not suffer any material or substantial change or alteration in size or form. 7. Expendable property that which may be consumed, spent or used-up, such as supplies. 8. Materials are expendable commodities used by the BIR in the process of manufacture or construction including parts or remnants from destroyed or damaged fixed assets. 9. Non-expendable property that which cannot be consumed, spent, or used-up, such as equipment. 10. Obsolete property that which has lost its efficiency either due to technological advancement, change of procedures, reorganization of office or completion of project. 11. Scrap/junk fragments of discarded materials that has no value except for its basic material contents and which cannot be reprocessed and reused on the operations of other government agencies. 12. Supplies are expendable commodities which are normally consumed within a year in connection with government operations. C. Policies and General Guidelines 1. There shall be established Disposal Committees in the National Office and the Regional Offices with the following officials as members: National Disposal Committee Chairman - Head Revenue Executive Assistant Financial & Administrative Service Members - Chief, General Services Division Chief, Automotive & Equipment Maintenance Section, General Services Division Regional Disposal Committee Chairman - Assistant Regional Director Members - Chief, Administrative Division Chief, Property and Supplies Section, Administrative Division 2. The Disposal Committees shall exercise the following functions: 2.1 Inspect the unserviceable equipment and property to verify justification for disposal; 2.2 Set the final appraised value of all disposable property; 2.3 Recommend to the Deputy Commissioner, Resource Management Group (DCIR-RMG) for approval, the manner of disposal; 2.4 Where public bidding has been selected as the mode of disposal, conduct public biddings for the sale of disposable property and recommend corresponding award to the DCIR-RMG; and 2.5 Assign personnel from the General Services Division or the Administrative Division, Regional Office as the case may be, to handle all the committees' technical and administrative matters, including the safekeeping and filing of committee documents and records. 3. Accountable officials and employees/the Chief, General Services Division and the Chief, Administrative Division, Regional Office, as the case may be, in possession of unserviceable property shall submit to the Disposal Committee concerned the Inventory and Inspection Report (I & I Report) otherwise known as General Form No. 17-A or Waste Material Report (WMR) or General Form No. 64-A, as appropriate, to evidence the surrendered property. 4. Property shall be considered disposable if any or all of the following conditions are met: 4.1 Property which can no longer be repaired or reconditioned; 4.2 Property whose maintenance cost/costs of repair more than outweighs the benefits and services that will be derived from its continued use; 4.3 Property that has become obsolete or outmoded because of change in technology; 4.4 Serviceable property that has been rendered unnecessary due to change in the BIR's functions or mandate; 4.5 Unused supplies, materials and spare parts that were procured in excess of requirements; and 4.6 Unused supplies and materials that have become dangerous to use because of storage or use of which is determined to be hazardous. 5. The members of the Disposal Committee, as a group or individually shall invariably conduct an inspection of the property to be disposed to obtain a first hand observation of the physical and operational condition of the property, their marketability or ability to attract prospective buyers. 6. The Disposal Committee shall compute for the appraised value of the property for the purpose of setting the minimum selling price so that the government will receive fair compensation for the items sold. The committee shall be guided in the appraisal of unserviceable property, by pertinent rules promulgated by fiscal authorities (Appendix B). 7. The Disposal Committee concerned shall recommend to the DCIR-RMG the proper mode of disposal. llcd 8. Property may be disposed in any of the following modes, as appropriate and deemed most advantageous to the government: 8.1 Public Bidding As a general rule, sale or disposal of government property shall be through public bidding. Public bidding may be done through sealed public bidding or when circumstances warrant by viva voce . 8.1.1 Sealed public bidding is characterized by the submission of sealed bids by prospective buyers, whereby the time, date and place of opening of bids is indicated in the Invitation to Bid, the evaluation of bid tenders by the Disposal Committee, and the awarding to the highest complying bidder. 8.1.2 Viva Voce Disposable property of insignificant value or such nature that requires immediate disposal shall be sold through public auction by viva voce . Other situations for viva voce are those involving the disposal of waste materials and/or space parts of insignificant value. 8.2 Sale thru negotiation Negotiated sale is resorted to as a consequence of failure of public bidding for two (2) consecutive times. There is failure of public auction in any of the following instances: If there is only one offeror. In this case, the bid, if sealed shall not be opened. If all the tenders are non-complying or unacceptable. A tender is non-complying or unacceptable when it does not comply legal, technical or financial requirements for pre-qualification. 8.3 Transfer to other government agencies Where the property or assets involved are no longer serviceable or needed by the Bureau, they may be transferred to other government entities/agencies without cost or at an appraised value upon authority of the DCIR-RMG and the head of the receiving agency, and upon due accomplishment of an Invoice and Receipt of Property (General Form No. 30-A). 8.4 Condemnation or Destruction This mode shall be resorted to only when the unserviceable property has no commercial value, or is beyond economic repair or there is no willing receiver, and/or the appraised value is less than the administrative cost of sale. Valueless, unsalable or hazardous property can be condemned or destroyed by burning, pounding, breaking, shredding, throwing or any other method by which the property is disposed beyond economic recovery. 8.5 Barter This is a modified form of transfer of property wherein an agency transfers property to another government agency in exchange for another piece of property. The value of the property being transferred may or may not be equivalent to that being received. In effecting barter of property, the Invoice Receipt of Property (GF No. 30-A) shall be prepared by each party and transmitted together with the property to the other party. 8.6 Donation of property Property recommended for disposal may be donated to charitable, scientific, educational or cultural associations on exceptional and meritorious cases with the approval of the COA and the DBM. 9. The auditor concerned or his representative shall be invited at all times to witness the proceedings of the opening of the bids and actual disposal of the property. cdll D. Responsibilities 1. Accountable Officer/Employee Returns unserviceable property thru his office head, with letter of request and I & I Report or Waste Materials Report, as the case may be, to Chief, General Services Division or the Chief, Administrative Division, Regional Office. 2. Chief, General Services Division/Chief, Administrative Division 2.1 Records items received and determines condition of equipment; 2.2 Prepares and issues receipt for returned items; 2.3 Transfers accountability of returned items to Chief, General Services Division/Chief, Administrative Division, Regional Office; 2.4 Stores surrendered unserviceable items; 2.5 Conducts count of returned items, classifies and segregates each item by condition of equipment; 2.6 Updates accountability of Chief, General Services Division/Chief, Administrative Division upon disposal of property; 2.7 Forwards copies of all documents related to disposal of property to Chief, Accounting Division; 2.8 Aside from above-mentioned duties, (Items 2.1 to 2.7) performs the following in case of disposal thru public bidding: 2.8.1 Prepares Invitation to Bid and forwards invitation with supporting documents to Assistant Commissioner, Financial & Administrative Service (ACIR-FAS) or Regional Director concerned, for approval; 2.8.2 Publicizes invitation in a newspaper of general circulation or resorts to substitute publication; 2.8.3 Serves notice of award to winning bidder; 2.8.4 Accepts payment and issues official receipt to winning bidder; 2.8.5 Issues gate pass and releases disposed items to winning bidder; and 2.8.6 Forwards copies of documents on public bidding to Chief, Accounting Division. 2.9 Aside from Items 2.1 to 2.7, performs the following duties in case of disposal thru transfer to another government agency: 2.9.1 Prepares and sends letter-offer to other government agencies; 2.9.2 Prepares and sends letter of approval to recipient of disposable items; 2.9.3 Prepares items to be transferred; 2.9.4 Prepares Invoice and Receipt of Property and gate pass; and 2.9.5 Prepares and sends letters to COA relative to approved transfer. dctai 2.10 Aside from Items 2.1 to 2.7, performs the following duties in case of disposal by outright condemnation: 2.10.1 Prepares gate pass for release of items for condemnation; 2.10.2 Releases items for condemnation; and 2.10.3 Brings items to be disposed to the place of condemnation. 2.11 Aside from Items 2.1 to 2.7, performs the following in case of disposal thru barter: 2.11.1 Inspects property to be disposed by another government agency 2.11.2 Prepares items to be exchanged Invoice-Receipt of Property and gate pass 2.11.3 Prepares and sends: letter proposal to another government agency letter of approval to government agency letter to COA on exchange of property 2.11.4 Picks up item to be exchanged from government agency 2.11.5 Signs Invoice-Receipt of Property prepared by the government agency. 2.12 Aside from Items 2.1 to 2.7, performs the following in case of disposal thru donation of property: 2.12.1 Solicits COA and DBM approval on proposal to donate property. 2.12.2 Prepares and sends letter-offer to prospective donee (charitable, scientific, educational or cultural association). 2.12.3 Prepares and sends letter of approval to recipient of item. 2.12.4 Prepares item to be donated. 2.12.5 Prepares Invoice-Receipt of Property, Deed of Donation and gate pass. prcd 2.13 Notifies prospective buyers in negotiated sale. 3. Chief, Accounting Division 3.1 Prepares Journal Voucher (JV) for dropping of disposed assets from books of accounts, using as basis the pertinent portions of Inventory and Inspection Report, Report of Waste Materials or Invoice Receipt for Property, whichever is applicable, and other documents, and 3.2 Sends JV and supporting documents to COA for post audit. 4. Disposal Committee 4.1 Conducts inspection on property. Performs the following activities, where applicable: 4.1.1 Verify stated serial number, motor number, property number and other specifications needed for establishing correct identification of the property. 4.1.2 Determine the physical condition/general appearance of the property relative to: the equipment being operational, economically repairable or beyond economic repair the availability of spare parts and the general obsolescence of the equipment, and the quality, degree and extent of maintenance and repair done on equipment. 4.1.3 In cases where the equipment is declared to be junk, the total estimated weight per lot should be determined to form as basis of the appraised value. The cost per unit of the property/supplies inspected will depend on the kind of material appraised. 4.2 Compute for the appraised value of the property considering obsolescence, market demand, physical condition and result of previous biddings to similar property. Pertinent COA rules and regulations as embodied in Appendix B shall be used for this purpose. 4.3 Determines mode of disposal of unserviceable property. 4.4 Prepares and sends letters of recommendation to DCIR-RMG thru ACIR-FAS/Regional Director on mode of disposal together with the minutes of meeting. 4.5 Aside from Items 4.1 to 4.4, performs the following if disposal is thru public bidding: 4.5.1 Conducts opening of sealed bids; 4.5.2 Evaluates bids and determine the highest complying bidder; 4.5.3 Prepares and forwards recommendation, notice of award and supporting documents to DCIR-RMG thru ACIR-FAS/Regional Director; 4.5.4 Fixes the period for the winning bidder to claim the award but not more than 30 days after the awarding. 4.6 Aside from items 4.1 to 4.4, performs the following if disposal is thru negotiated sale: 4.6.1 Prepares and forwards letter of recommendation, minutes of meeting, mode of disposal with supporting documents to DCIR-RMG thru ACIR-FAS/Regional Director. 4.6.2 Fixes the floor price of disposable items. 4.6.3 Negotiates with bidders of the first and/or second failed bidding and other prospective bidders. (Note: The price to be agreed upon by the Disposal Committee shall not be lower than the floor price or the highest offer submitted at the failed public bidding whichever is higher.) 4.6.4 Identifies the highest complying bidder. 4.6.5 Prepares and forwards recommendation, notice of award and supporting documents to DCIR-RMG thru ACIR, FAS/Regional Director. 4.7 Aside from Items 4.1 to 4.4, performs the following if disposal is thru outright condemnation: 4.7.1 Retrieves and sends documents on mode of disposal to DCIR-RMG thru ACIR-FAS/Regional Director. LexLib 4.7.2 Schedules the date and time of outright disposal and informs Commission on Audit about the disposal, and 4.7.3 Supervises the condemnation of property and prepares and sends report thereon with supporting documents to Chief, General Services Division/Chief, Administrative Division. 4.8 Retrieves and sends documents on mode of disposal to DCIR-RMG thru ACIR-FAS/Regional Director, if disposal is thru transfer to another government office. 4.9 In cases of disposal thru barter and donation of property, approves letter of intent of government agency and donee institution respectively. 5. Assistant Commissioner , Financial & Administrative Service (ACIR , FAS)/Regional Director 5.1 Reviews and initials letter of recommendation of Disposal Committee on mode of disposal and sends documents to DCIR-RMG, and 5.2 Approves Invitation to Bid and returns documents to Chief, General Services Division/Chief, Administrative Division, Regional Office, if disposal is thru public bidding. 6. Deputy Commissioner , Resource Management Group (DCIR-RMG) 6.1 Reviews, approves/disapproves letter of recommendation of Disposal Committee on mode of disposal and sends letter with supporting documents to Chief, General Services Division or the Chief, Administrative Division thru the Regional Director, as the case may be, and 6.2 Approves/disapproves notice of award and sends documents to Chief, General Services Division, if disposal is thru public bidding. prLL E. Functional Flowchart The attached functional flowchart (Appendix A) detailing the procedures in the disposal of unserviceable property should be followed and properly implemented. F. Repealing Clause All revenue memorandum orders and circulars inconsistent herewith are hereby amended/modified accordingly. G. Effectivity This Order shall take effect immediately. (SGD.) BEETHOVEN L. RUALO Commissioner of Internal Revenue Appendix A FUNCTIONAL FLOW CHART IN THE DISPOSAL OF UNSERVICEABLE PROPERTY Appendix B GUIDELINES FOR APPRAISAL OF UNSERVICEABLE PROPERTY A. General Procedures In general, the appraisal process consists of the following: 1) conducting an ocular inspection of the property to be appraised to assess its physical condition; 2) seeking reference price information such as acquisition cost, or current market price of similar property, or replacement cost for a similar new property; and 3) computing the appraised value following the same generally accepted formula which will take into account the property's actual physical condition, the relevant reference price information, and the changes in the value of the property caused by changes in the value of the exchange currency, the peso. llcd B. Inspection of Property to be Appraised 1. Preliminary Documentation Check whether the corresponding form for disposal has been properly accomplished. The forms used for disposal are: a. Inspection and Inventory Report (I & I Report) or General Form No. 17 (A) b. Waste Material Report (WMR) or General Form No. 64 (A) 2. The appraiser shall perform the following, where applicable: a. Check the condition of the property; determine whether operational, under repair, or beyond economic repair. b. Verify stated ratings, capacity, model, year of manufacture, serial number, chassis number, motor number and other technical specifications, fuel and lubricant, and accessories, if any. c. Determine quality or degree of maintenance and repair, check logbook, if available. d. Determine the extent of use, mileage, rate of depreciation, any excessive wear and tear. e. Determine availability of spare parts. C. Reference Price Information The appraiser shall gather the following reference price information to aid him in his appraisal computations: 1. Current Market Value (CMV) or the prevailing market/advertised prices of used equipment/cars of the same make and model or similar models. 2. Prices from second hand rebuilders and reconditioners of machinery, cars or equipment. 3. Acquisition Cost (AC) or the price of the property when it was new, at the year of manufacture. 4. Replacement Cost New (RCN) price of the new property for current year. 5. Currency exchange rates for acquisition year and current year. D. Computation of the Appraised Value 1. Guidelines and Principles a. Unserviceable property which can no longer be repaired or reconditioned shall be appraised at scrap or junk value. b. Unserviceable property which can still be repaired or reconditioned, and property no longer needed which are still functional shall be appraised, at current market value, if such is available otherwise the property shall be appraised at sound value. c. Antique property, works of art, and real estate are not covered under these guidelines. Antique property and works of art shall be appraised by the National Museum, and real estate shall be appraised under a separate set of guidelines. d. Current Market Value (CMV), is the price estimated which a property will bring if exposed for sale in the open market, allowing a reasonable time to find a buyer who buys with knowledge of the actual condition and utility of the property. The CMV may be taken from advertised prices of used equipment/vehicles of the same make and model or similar models, adjusted for the actual condition of the property being appraised relative to the condition of the advertised model. e. Sound Value (SV), a measure of value widely used by valuers and appraisers, is derived from Replacement Cost-New (RCN), minus observed depreciation tempered by consideration given to the actual condition and utility of the property. f. The graphic presentation of the Decline in the value of property is presented as follows: g. Depreciation Factor is the adjustment factor used to account for the depreciation or deterioration of the property assuming normal usage and reasonable maintenance of the property. Using straight line depreciation: Depreciation = Remaining Economic Life Factor Estimated Economic Life where: Estimated Economic Life - is the number of years indicated in the attached Table of Estimated Economic Lives corresponding to the property type involved as its years of useful or economic life. Remaining Economic Life - is the difference between the: a) Estimated Economic Life, and b) The actual age or the number of years the property has been in use or operation. h. Condition Factor is the adjustment factor used to consider the actual condition of the property thru an evaluation of the condition of the major components of the property relative to an ideally functioning model. With respect to vehicles, the condition factor may be estimated as follows: COMPONENT CONDITION RATING TABLE Component: Body % Weight Engine Transmission Differential Chassis Others Condition 23% 7% 5% 35% 30% Good 1.0 1.0 1.0 1.0 1.0 Fair 0.8 0.8 0.8 0.8 0.8 Poor 0.6 0.6 0.6 0.6 0.6 Very Poor 0.4 0.4 0.4 0.4 0.4 Missing 0 0 0 0 0 Condition Factor: sum of [ condition rating x % weight ] for all components With respect to furniture and non-mechanized implements, the condition factor may be assigned as follows: CONDITION FACTORS FOR FURNITURE/ NON-MECHANIZED IMPLEMENTS Condition Condition Factor Good 1.0 Fair 0.8 Poor 0.6 In the case of property no longer available for inspection, as in the case of lost or burned equipment for which accountability is being assessed, the condition factor shall be assumed to be 1.0. LLpr i. Currency Fluctuation Factor is the adjustment factor used to take into account the devaluation of the peso from the year of acquisition to the year of appraisal. CURRENCY P/dollar exchange rate on year of appraisal FLUCTUATION = FACTOR P/dollar exchange rate on year of acquisition 2. Specific Guidelines and Formula for Furniture and Non Mechanized Implements : a. When property is still functional or can still be repaired: Case A Appraised Value : 0.20 x Depreciation Replacement Cost-New X Factor + 0.80 x Condition Factor b. When property is unusable and can no longer be repaired: Case B. Appraised Value = Junk Value where Junk Value is based on prevailing price of scrap metal or lumber, whichever is appropriate. 3. Specific Guidelines and Formulae for Vehicles and Mechanized Equipment: a. When property is still operational or can still be reconditioned: Case Aa (1) when current market value is available: Appraised Value - Current Market Value where: Current Market Value = Advertised/Market Price x Condition Factor (2) when replacement cost-new is available: when age of property is less than estimated economic life (per attached table): Case Aa. Appraised Value: 0.50 x Depreciation Replacement Cost-New X Factor + 0.50 x Condition Factor when age of property is more than estimated economic life: Case Ab Appraised Value: Replacement Cost-New X [0.50 x Condition Factor] (3) when original acquisition cost, AC, is available: when age of property is less than estimated economic life: Case Ab. Appraised Value: 0.50 x Depreciation AC X Currency Fluctuation Factor X Factor + 0.50 x Condition Factor when age of property is more than estimated economic life: Case Ab. Appraised Value: AC X Currency Fluctuation Factor X [0.50 x Condition Factor] b. When property can no longer be repaired/reconditioned: Case B. Appraised Value = Scrap/Junk Value per Table of Junk Values: 1987 TABLE OF JUNK VALUES Junk Type Value 1. Steel a) Heavy P750/ton b) Light 700/ton 2. Cast Iron Engine Blocks P1,000/ton 3. Metal a) Body Parts/Chassis 675/ton b) Tin Cans 500/ton c) Scrap 600/ton E. Adjustment of Appraised Value When Auction Bids are Low When the Highest Bid is lower than the Government Floor Price. If after exposure of the property to public auction, as required under Sec. 79 of P.D. 1445, the highest bid falls below the government floor price or the Auditor's reference value, whichever is lower, then the Appraiser shall: 1. Determine whether the difference is excessive. The amount of deviation of the highest bid from the floor/reference value is considered excessive when it is greater than 10% of the floor/reference value plus the cost of calling another public auction. 2. If the difference is found not excessive, the sale may be allowed in audit. If the difference was found to be excessive, the auditor shall recommend the calling of another public auction with the floor/reference value reduced by 10%. 3. If the second auction still fails, i.e., the highest bid is still excessively lower than the reduced floor/reference value, then the sale may be negotiated with the highest offeror at a price to be approved by the Commission on Audit. F. Table of Estimated Economic Lives Source : US Treasury Dept. Bulletin P/Income Tax Depreciation & Obsolescence Estimated Useful Lives & Depreciation Rates Property Years I. Motor and other Vehicles Automobiles Owner driven 10 Passengers 5 Salesman 3 Horsedrawn vehicle 8 Motorcycle 4 Tractor 6 Trucks Outside use Electric 10 Gas - light 4 medium 6 heavy 8 Inside use 15 II. Office Equipment Adding machine 10 Addressing & Mailing machine 15 Billing machine 8 Binders loose leaf 20 Blue printing machine 15 Bookkeeping machine 8 Calculators 10 Cabinets & file 15 Call system 14 Cases: Books 20 Display 20 Check perforators 10 Check writers 8 Cleaners electric vacuum 6 Clocks: Time 15 Time stamping 10 Wall 20 Coolers, water 10 Desk 20 Duplicating machine 10 Fans electric 10 Folding & sealing machine 10 Hospital equipment 15 Lamp desk & floor 10 Linoleum 8 Lockers 25 Lunch room equipment 15 Mirror 20 Money machines 10 Numbering machines 10 Photographic machine 26 Books & stand 15 Rags, carpet & mats 10 Safes & Vaults 50 Scale counter & mail 20 Shades windows 10 Sign boards 10 Tables 15 Typewriters 10 Wardrobe 20 III. Other Assets Plumbing 20 Power Plant 20 Power Transmission Line 10-15 Railroads: Rails 20 Ties 8 Refrigerators 5 Sawmill 20 Sewing machines 10 Steamship freight: Great lakes 33 Lumber tracks 20 Ocean going 20 Closing machines, can 15 Cutting paper 15 Gluing machine, box or carton 20 Boilers 30 Crushers 25 Pulverizers (cement) 25 Track (quarry) 15 Automobile tank cars 10 Railroad tank cars 15 Tanks 25 Water tower, cooling 22 Foundries 15 Motor 25 AC 15 DC 12 G. Table of Peso/Dollar Exchange Rates TABLE OF PESO/DOLLAR EXCHANGE RATES Year Peso/Dollar 1962 3.8081 1963 3.8997 1964 3.8998 1965 3.9009 1966 3.8954 1967 3.9154 1968 3.9150 1969 3.9191 1970 6.0246 1971 6.4317 1972 6.6748 1973 6.7562 1974 6.7878 1975 7.2478 1976 7.4402 1977 7.4432 1978 7.3781 1979 7.3776 1980 7.5113 1981 7.8995 1982 8.5399 1983 14.0010 1984 18.0000 1985 19.0000 1986 20.4360 1987 20.6000
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