Year current US$ 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 31792921.9937059 2004 1024254909.16328 2005 1442355839.17765 2006 1445447826.3944 2007 1534789430.30148 2008 1783840475.68855 2009 757532558.513071 2010 1208914058.45106 2011 1618700621.45377 2012 1294299412.15957 2013 974069840.811351 2014 745398406.455629 2015 370169121.415367 2016 368465718.039455 2017 515393514.15911 2018 1026396546.96113 2019 1017221264.47054 2020 570293631.685725 2021 1089756400.86177