Year current US$ 1969 180000.00715255702 1970 129999.995231628 1971 200000.00298023198 1972 219999.998807907 1973 189999.99761581398 1974 560000.002384186 1975 349999.99403953605 1976 180000.00715255702 1977 189999.99761581398 1978 349999.99403953605 1979 310000.002384186 1980 129999.995231628 1981 430000.00715255697 1982 439999.997615814 1983 750000 1984 469999.998807907 1985 529999.971389771 1986 610000.014305115 1987 889999.985694885 1988 529999.971389771 1989 1009999.99046326 1990 779999.971389771 1991 930000.007152557 1992 819999.992847443 1993 1360000.01430511 1994 1110000.01430511 1995 1580000.04291534 1996 1129999.99523163 1997 860000.014305115 1998 769999.980926514 1999 910000.026226044 2000 1330000.04291534 2001 1370000.00476837 2002 1039999.96185303 2003 1409999.9666214 2004 1269999.98092651 2005 1529999.97138977 2006 1350000.02384186 2007 1009999.99046326 2008 720000.028610229