Year current US$ 1970 0 1971 0 1972 109999.997541308 1973 189999.99761581398 1974 420000.00365078397 1975 1289999.98420477 1976 740000.0039488081 1977 669999.990612268 1978 930000.005289912 1979 900000.00782311 1980 1360000.01989305 1981 1110000.00871718 1982 200000.00298023198 1983 179999.995976686 1984 149999.99664723902 1985 599999.997764826 1986 469999.99135732703 1987 819999.994710088 1988 789999.989792705 1989 880000.002682209 1990 1299999.98025596 1991 950000.010430813 1992 1000000.0037252901 1993 1569999.9816715699 1994 4049999.96721745 1995 3629999.96729195 1996 3779999.96393919 1997 5679999.988526111 1998 4020000.0051408997 1999 5150000.04321337 2000 5140000.03039837 2001 5290000.05125999 2002 6259999.9848753195 2003 11960000.064224 2004 13859999.837353801 2005 17680000.0797957 2006 9969999.98390675 2007 10330000.054091198 2008 14129999.9002367 2009 9730000.04142523 2010 10700000.2115965 2011 13970000.0956655 2012 6169999.96826053 2013 4409999.93123114 2014 12290000.0642985 2015 8349999.90090728 2016 8219999.877735971 2017 14879999.90955 2018 11839999.9663234 2019 13139999.8497218 2020 11059999.961406 2021 15369999.660179 2022 6439999.938011168