Year current US$ 1960 -230000.004172325 1961 9999.99977648258 1962 1019999.98092651 1963 620000.004768372 1964 449999.988079071 1965 2279999.97138977 1966 2359999.89509583 1967 7389999.8664856 1968 4610000.1335144 1969 15300000.1907349 1970 28649999.6185303 1971 30920000.0762939 1972 29799999.237060502 1973 25229999.5422363 1974 20829999.9237061 1975 11710000.038146999 1976 11010000.2288818 1977 12310000.4196167 1978 6630000.11444092 1979 5519999.98092651 1980 13890000.3433228 1981 21879999.1607666 1982 20579999.9237061 1983 14520000.4577637 1984 40340000.1525879 1985 23430000.3051758 1986 29489999.7711182 1987 23459999.084472697 1988 22090000.1525879 1989 95029998.7792969 1990 -1740000.0095367401 1991 7769999.98092651 1992 19940000.5340576 1993 23639999.3896484 1994 16860000.6103516 1995 16659999.847412098 1996 14880000.1144409 1997 2809999.94277954 1998 1620000.00476837 1999 -1110000.01430511 2000 1090000.0333786 2001 850000.023841858 2002 7190000.05722046 2003 7070000.17166138 2004 9140000.34332275