Year current US$ 1965 9999.99977648258 1966 99999.99776482591 1967 459999.9915808445 1968 979999.9836832279 1969 149999.9985098843 1970 309999.99120831524 1971 339999.9924004079 1972 1310000.0079721208 1973 2089999.9905377598 1974 4290000.014007095 1975 8829999.798908835 1976 7609999.932348723 1977 13009999.882429844 1978 11550000.138580805 1979 23190000.19133091 1980 15430000.143125653 1981 16459999.84443188 1982 17839999.85828995 1983 21109999.59893524 1984 14519999.967887996 1985 14900000.266730785 1986 19589999.763295066 1987 28420000.03159047 1988 25569999.895989902 1989 23199999.80553985 1990 28439999.386668205 1991 33129999.879747633 1992 35749999.996274665 1993 37130000.224337 1994 39869999.67880545 1995 34839999.783784166 1996 31490000.70057813 1997 26710000.174120124 1998 30130000.10885298 1999 23359999.846667048 2000 21310000.50716102 2001 36880000.80548229 2002 36460000.32871957 2003 28779999.494552586 2004 26609999.46668742 2005 32880000.498145886 2006 41619999.52420598 2007 31570000.32439832 2008 36590000.63315035 2009 55510000.18417837 2010 100829999.10786743 2011 81719999.49030583 2012 93810002.43872398 2013 70299999.27058811 2014 73070000.17724924 2015 68149999.47883192 2016 65109998.47762286 2017 84980000.34131113 2018 90499999.6572733 2019 85359997.96725813 2020 56620000.44249004 2021 73420002.7231127 2022 58369999.10324819