Year current US$ 1969 39999.9991059303 1970 29999.999329447703 1971 59999.9986588955 1972 90000.0035762787 1973 79999.9982118607 1974 79999.9982118607 1975 200000.00298023198 1976 250000 1977 490000.009536743 1978 379999.99523162795 1979 379999.99523162795 1980 200000.00298023198 1981 689999.997615814 1982 670000.016689301 1983 1019999.98092651 1984 660000.026226044 1985 330000.013113022 1986 790000.021457672 1987 920000.016689301 1988 490000.009536743 1989 980000.019073486 1990 1159999.9666214 1991 1419999.95708466 1992 1179999.94754791 1993 1600000.02384186 1994 910000.026226044 1995 2599999.90463257 1996 970000.028610229 1997 1519999.98092651 1998 1200000.04768372 1999 1899999.97615814 2000 1649999.97615814 2001 899999.976158142 2002 1159999.9666214 2003 1700000.04768372 2004 1769999.98092651 2006 1220000.02861023 2007 1299999.95231628 2008 129999.995231628