Year current US$ 1969 119999.997317791 1970 90000.0035762787 1971 109999.999403954 1972 50000.0007450581 1973 70000.0002980232 1974 79999.9982118607 1975 70000.0002980232 1976 119999.997317791 1977 180000.00715255702 1978 300000.011920929 1979 349999.99403953605 1980 140000.000596046 1981 400000.00596046395 1982 490000.009536743 1983 689999.997615814 1984 600000.023841858 1985 620000.004768372 1986 889999.985694885 1987 1120000.00476837 1988 839999.973773956 1989 1159999.9666214 1990 1440000.0572204601 1991 1169999.95708466 1992 1039999.96185303 1993 1820000.05245209 1994 1379999.99523163 1995 1899999.97615814 1996 1179999.94754791 1997 1600000.02384186 1998 1309999.9427795399 1999 1779999.97138977 2000 1700000.04768372 2001 1190000.0572204601 2002 1590000.0333786 2003 1929999.94754791 2004 1370000.00476837 2005 1750000 2006 1259999.9904632599 2007 2650000.09536743 2008 1120000.00476837