Year current US$ 1962 9999.99977648258 1963 9999.99977648258 1964 270000.010728836 1965 300000.011920929 1966 189999.99761581398 1967 280000.001192093 1968 230000.004172325 1969 230000.004172325 1970 189999.99761581398 1971 239999.994635582 1972 800000.011920929 1973 300000.011920929 1974 389999.98569488496 1975 839999.973773956 1976 2910000.08583069 1977 3410000.08583069 1978 9180000.30517578 1979 7219999.79019165 1980 8960000.03814697 1981 7599999.90463257 1982 12210000.038146999 1983 12359999.6566772 1984 8369999.88555908 1985 7570000.17166138 1986 10460000.038146999 1987 11289999.961853001 1988 11630000.1144409 1989 14439999.5803833 1990 13350000.3814697 1991 8220000.26702881 1992 4519999.98092651 1993 3640000.10490417 1994 1500000 1995 6260000.228881841 1996 4820000.17166138 1997 5179999.82833862 1998 6780000.20980835 1999 6030000.20980835 2000 4239999.771118159 2001 4650000.09536743 2002 4280000.20980835 2003 3180000.0667572 2004 7469999.79019165 2005 3700000.04768372 2006 3299999.95231628 2007 2730000.01907349 2008 5679999.82833862 2009 16889999.3896484 2010 43569999.6948242 2011 27909999.8474121 2012 25489999.7711182 2013 11489999.7711182 2014 20739999.7711182 2015 15989999.7711182 2016 21659999.8474121 2017 16940000.5340576 2018 16670000.076293899 2019 11560000.4196167 2020 10260000.2288818 2021 7210000.03814697 2022 5980000.01907349