Year current US$ 1964 9999.99977648258 1965 9999.99977648258 1968 9999.99977648258 1970 9999.99977648258 1972 29999.999329447703 1973 29999.999329447703 1974 50000.0007450581 1975 170000.00178813902 1976 170000.00178813902 1977 109999.999403954 1978 180000.00715255702 1979 59999.9986588955 1980 29999.999329447703 1981 19999.9995529652 1982 39999.9991059303 1983 140000.000596046 1984 129999.995231628 1985 10300000.1907349 1986 10729999.5422363 1987 13000000 1988 16459999.0844727 1989 5289999.96185303 1990 10489999.7711182 1991 7139999.8664856 1992 11270000.4577637 1993 7010000.228881841 1994 4659999.84741211 1995 340000.00357627904 1996 899999.976158142 1997 3799999.95231628 1998 1330000.04291534 1999 939999.997615814 2000 90000.0035762787 2001 3990000.00953674 2002 4369999.88555908 2003 300000.011920929 2004 4469999.79019165 2005 180000.00715255702 2006 370000.00476837205 2007 519999.980926514 2008 4130000.11444092 2009 2740000.00953674 2010 1409999.9666214 2011 4150000.09536743 2012 1289999.96185303 2013 1490000.0095367401 2014 5260000.228881841 2015 3269999.98092651 2016 1409999.9666214 2017 6780000.20980835 2018 7389999.8664856 2019 2349999.90463257 2020 3049999.95231628 2021 2599999.90463257 2022 6630000.11444092