Year current US$ 1967 140000.000596046 1968 150000.005960464 1969 129999.995231628 1970 79999.9982118607 1971 109999.999403954 1972 50000.0007450581 1973 59999.9986588955 1974 39999.9991059303 1975 109999.999403954 1976 129999.995231628 1977 219999.998807907 1978 230000.004172325 1979 340000.00357627904 1980 349999.99403953605 1981 2329999.92370605 1982 289999.99165535 1983 39999.9991059303 1984 129999.995231628 1985 119999.997317791 1986 340000.00357627904 1987 409999.99642372096 1988 349999.99403953605 1989 159999.99642372102 1990 460000.00834465 1991 920000.016689301 1992 730000.019073486 1993 620000.004768372 1994 730000.019073486 1995 930000.007152557 1996 649999.976158142 1997 24590000.1525879 1998 829999.983310699 1999 2140000.10490417 2000 2990000.00953674 2001 360000.01430511504 2002 670000.016689301 2003 1289999.96185303 2004 1679999.94754791 2005 419999.986886978 2006 1090000.0333786 2007 1899999.97615814 2008 1769999.98092651 2009 2019999.9809265102 2010 2130000.1144409203 2011 1870000.00476837 2012 1700000.04768372 2013 2079999.9237060498 2014 3190000.05722046 2015 2079999.9237060498 2016 2319999.9332428 2017 2400000.09536743 2018 3029999.97138977 2019 2279999.97138977 2020 5619999.88555908 2021 4659999.84741211 2022 1580000.04291534