Year current US$ 1969 170000.00178813902 1970 189999.99761581398 1971 140000.000596046 1972 159999.99642372102 1973 159999.99642372102 1974 100000.00149011599 1975 100000.00149011599 1976 140000.000596046 1977 90000.0035762787 1978 140000.000596046 1979 189999.99761581398 1980 39999.9991059303 1981 389999.98569488496 1982 319999.99284744303 1983 349999.99403953605 1984 219999.998807907 1985 529999.971389771 1986 730000.019073486 1987 670000.016689301 1988 310000.002384186 1989 920000.016689301 1990 1059999.9427795399 1991 1090000.0333786 1992 670000.016689301 1993 1259999.9904632599 1994 879999.995231628 1995 1870000.00476837 1996 819999.992847443 1997 1309999.9427795399 1998 889999.985694885 1999 1350000.02384186 2000 1019999.98092651 2001 769999.980926514 2002 1070000.05245209 2003 1149999.97615814 2004 1490000.0095367401 2005 1899999.97615814 2006 839999.973773956 2007 870000.004768372 2008 119999.997317791