Year constant LCU 1960 3380389120 1961 3265791488 1962 3514987264 1963 3609485824 1964 3406689536 1965 3515500032 1966 3836400128 1967 4064499968 1968 4787500032 1969 4691299840 1970 5128699904 1971 5976289792 1972 7187200000 1973 7413300224 1974 8127000064 1975 7603420160 1976 7138390016 1977 7938959872 1978 13023049728 1979 11853039616 1980 4609019904 1981 6631199744 1982 6015159808 1983 6561990144 1984 3291940096 1985 4099020032.0000005 1986 5390009856 1987 4158000127.9999995 1988 3562010112 1989 4204009984.0000005 1990 3839950080