Year current US$ 1969 289999.99165535 1970 319999.99284744303 1971 310000.002384186 1972 349999.99403953605 1973 360000.01430511504 1974 270000.010728836 1975 200000.00298023198 1976 170000.00178813902 1977 310000.002384186 1978 360000.01430511504 1979 270000.010728836 1980 379999.99523162795 1981 579999.983310699 1982 579999.983310699 1983 1100000.02384186 1984 639999.985694885 1985 829999.983310699 1986 1279999.97138977 1987 1120000.00476837 1988 1049999.95231628 1989 1620000.00476837 1990 1519999.98092651 1991 2109999.89509583 1992 1600000.02384186 1993 2369999.8855590797 1994 1909999.9666214 1995 4219999.79019165 1996 2119999.8855590797 1997 2799999.95231628 1998 1990000.0095367401 1999 2390000.10490417 2000 1990000.0095367401 2001 2930000.0667572 2002 2039999.96185303 2003 2950000.04768372 2004 2720000.02861023 2005 2609999.89509583 2006 1679999.94754791 2007 2750000 2008 860000.014305115