Year current US$ 1960 -329999.99634921504 1961 -180000.0108778476 1962 729999.992996455 1963 430000.0071525574 1964 450000.017881393 1965 2139999.9987334013 1966 1730000.011622905 1967 6759999.830275778 1968 4179999.997839335 1969 14179999.671876412 1970 26759999.990463257 1971 28090000.228956357 1972 27029999.423772067 1973 23149999.52726063 1974 19689999.919384707 1975 10010000.051930547 1976 9979999.678209424 1977 11279999.906197181 1978 5189999.828115114 1979 3930000.1505762287 1980 9379999.917000527 1981 18380000.248551417 1982 17819999.912753694 1983 12250000.301748514 1984 38699999.16665256 1985 21780000.193044536 1986 27449999.44977461 1987 22259999.541565742 1988 20719999.741762843 1989 93849999.42779544 1990 -2959999.568760389 1991 6749998.655170173 1992 18800000.146031395 1993 22789999.976754177 1994 16030000.356957322 1995 15779999.624937778 1996 14499999.96088445 1997 2420000.0390410395 1998 1380000.0641494892 1999 -1469999.9354779776 2000 730000.2742558827 2001 730000.0470131654 2002 7060000.071302051 2003 6990000.171586877 2004 9130000.146105897