Year current US$ 1969 810000.002384186 1970 1110000.01430511 1971 3210000.03814697 1972 -59999.9986588955 1973 920000.016689301 1974 2660000.08583069 1975 740000.009536743 1976 730000.019073486 1977 2950000.04768372 1978 4760000.228881841 1979 4289999.96185303 1981 15619999.8855591 1982 14239999.7711182 1983 13189999.5803833 1984 16079999.923706101 1985 17870000.8392334 1986 21920000.0762939 1987 11390000.3433228 1988 21790000.915527303 1989 28790000.915527303 1990 25760000.2288818 1991 16989999.7711182 1992 23100000.3814697 1993 23149999.6185303 1994 8939999.5803833 1995 2000000 1996 479999.989271164 1997 4329999.92370605 1998 409999.99642372096 1999 2619999.8855590797 2000 2190000.05722046 2001 2059999.94277954 2002 1340000.0333786 2003 379999.99523162795 2004 150000.005960464 2005 19999.9995529652