Year current US$ 1969 180000.00715255702 1970 159999.99642372102 1971 159999.99642372102 1972 129999.995231628 1973 189999.99761581398 1974 219999.998807907 1975 189999.99761581398 1976 270000.010728836 1977 479999.989271164 1978 349999.99403953605 1979 779999.971389771 1980 59999.9986588955 1981 620000.004768372 1982 819999.992847443 1983 790000.021457672 1984 460000.00834465 1985 1330000.04291534 1986 730000.019073486 1987 1080000.04291534 1988 1200000.04768372 1989 990000.009536743 1990 839999.973773956 1991 1250000 1992 1110000.01430511 1993 1399999.97615814 1994 1179999.94754791 1995 1789999.96185303 1996 620000.004768372 1997 910000.026226044 1998 1000000 1999 1529999.97138977 2000 1159999.9666214 2001 1110000.01430511 2002 1000000 2003 1480000.01907349 2004 1820000.05245209 2005 1460000.03814697 2006 1690000.0572204601 2007 1649999.97615814 2008 1399999.97615814