Year current US$ 1969 150000.005960464 1970 79999.9982118607 1971 129999.995231628 1972 250000 1973 270000.010728836 1974 419999.986886978 1975 490000.009536743 1976 460000.00834465 1977 660000.026226044 1978 550000.011920929 1979 439999.997615814 1980 180000.00715255702 1981 750000 1982 819999.992847443 1983 819999.992847443 1984 699999.988079071 1985 740000.009536743 1986 990000.009536743 1987 970000.028610229 1988 860000.014305115 1989 980000.019073486 1990 1409999.9666214 1991 1090000.0333786 1993 1470000.02861023 1994 1090000.0333786 1995 2579999.92370605 1996 1250000 1997 1490000.0095367401 1998 879999.995231628 1999 1600000.02384186 2000 1950000.04768372 2001 1110000.01430511 2002 2089999.9141693101 2003 2089999.9141693101 2004 2950000.04768372 2005 3200000.04768372 2006 1159999.9666214 2007 2140000.10490417 2008 500000