Year constant LCU 1965 -3070696960 1966 -3557500928 1967 -4510495744 1968 -3203104000 1969 -3181000960 1970 -3230297088 1971 -4344100864 1972 -508900000 1973 -1225197056 1974 451897984 1975 -1480779008 1976 1092002048 1977 -1040000 1978 1050000 1979 1010000 1980 -320000 1981 200000 1982 -400000 1983 110000 1984 0 1985 -24702920704 1986 -153891008 1987 -1104230016 1988 -563988992 1989 -3263387904