Year Distance Fuel 1960 9450 661 1965 9390 667 1970 9980 735 1975 9630 712 1976 9760 711 1978 10050 715 1979 9480 664 1980 9140 603 1981 9000 579 1982 9530 587 1983 9650 578 1984 9790 553 1985 9830 549