Year current US$ 1976 119999.997317791 1977 300000.011920929 1978 59999.9986588955 1979 79999.9982118607 1980 59999.9986588955 1981 639999.985694885 1982 1149999.97615814 1983 6579999.92370605 1984 2700000.04768372 1985 2519999.98092651 1986 10899999.6185303 1987 7159999.84741211 1988 6050000.19073486 1989 16450000.7629395 1990 16120000.839233398 1991 6349999.90463257 1992 1970000.02861023 1993 990000.009536743 1994 449999.988079071 1995 370000.00476837205 1996 44000000 1997 270000.010728836 1998 180000.00715255702 1999 70000.0002980232 2000 9999.99977648258 2001 70000.0002980232 2002 9999.99977648258 2003 70099998.4741211 2004 1289999.96185303 2005 239999.994635582 2006 1159999.9666214 2007 709999.978542328 2008 2240000.00953674 2009 2220000.02861023 2010 270000.010728836 2011 779999.971389771 2012 310000.002384186 2013 409999.99642372096 2014 990000.009536743 2015 519999.980926514 2016 101889999.38964799 2017 1370000.00476837 2018 1980000.01907349 2019 1049999.95231628 2020 629999.995231628 2021 569999.992847443 2022 1429999.94754791