Year current US$ 1980 5641.17400508008 1981 12180.9214430149 1982 13477.7998278324 1983 4748.88465624935 1984 4341.50329025332 1985 5830.53085125043 1986 2718.41482993742 1987 0 1988 18810.7482395106 1989 97192.6938916895 1990 116946.182824964 1991 107914.225129728 1992 65455.1606864229 1993 0 1994 0 1995 105792.193123387 1996 13516.6300945742 1997 0 1998 0 1999 0 2000 0 2001 118602.757736686 2002 0 2003 16.700276987933 2004 1513971.42969504 2005 893663.115908581 2006 974932.246720059 2007 1603630.63127975 2008 3550897.86912825 2009 674087.399076996 2010 1310743.09360844 2011 1518756.97975557 2012 702849.504115279 2013 440900.217072045 2014 266354.975922783 2015 143920.71959203 2016 146629.547890456 2017 152264.945539469 2018 127961.551068581 2019 89125.7969982576 2020 75673.7409384854 2021 154449.199973569