Year current US$ 1960 409999.99642372096 1961 540000.021457672 1962 430000.00715255697 1963 389999.98569488496 1964 330000.013113022 1965 19999.9995529652 1966 1299999.95231628 1967 1569999.9704957004 1968 1129999.99523163 1969 850000.023841858 1970 309999.98748302495 1971 310000.00238418597 1972 240000.0095367427 1973 89999.99798834328 1974 49999.99888241288 1975 89999.9998509885 1976 549999.9988824129 1977 1280000.0198185393 1978 640000.0136345627 1979 5470000.205561519 1980 1690000.064671041 1981 -2230000.169947745 1982 2409999.996423724 1983 2280000.0086426754 1984 2420000.0148266577 1985 1829999.955371023 1986 32730000.792071268 1987 113189999.6343998 1988 -13359999.282285579 1989 -7349999.507889154 1990 2819999.9220669307 1991 -7830000.638961789 1992 -10410000.424832134 1993 -10580000.2310425 1994 -9069999.711588051 1995 4849999.982863661 1996 6619999.932125213 1997 1159999.9833852046 1998 3469999.9764561616 1999 2929999.962449076 2000 2669999.9999254965 2001 2449999.9862164217 2002 3729999.909177424 2003 4940000.155940643 2004 5269999.874755744