Year current US$ 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 1495441441.4414415 1994 68602700 1995 1451852800 1996 4195708700 1997 4263816100 1998 3096528400 1999 -428393400 2000 3810712000 2001 3887630900 2002 -1081553429.625461 2003 -1263806944.303024 2004 2729177313.1491413 2005 3054822120.633188 2006 812323739.6049896 2007 1676400756.5072443 2008 2034179387.992578 2009 1569517023.320348 2010 4507682328.047724 2011 6097742023.386065 2012 3518644064.9901686 2013 5610053284.972384 2014 6752296832.256729 2015 8956685191.474062 2016 18905168925.019524 2017 19633037250.49293 2018 7152431888.928817 2019 190361848.03272384 2020 511686206.89836043 2021 2105064160.884226 2022 -1636302610.3133984 2023 2544122321.2431817