Year current LCU 1975 1 1976 6 1977 18 1978 32 1979 88 1980 123 1981 116 1982 119 1983 98 1984 81 1985 576 1986 653 1987 239 1988 3000 1989 109000 1990 48610000 1991 24150000 1992 7480000