Year current US$ 1995 87000000 1996 119000000 1997 114000000 1998 124000000 1999 116000000 2000 216000000 2001 454000000 2002 493000000 2003 399000000 2004 450000000 2005 448000000 2006 586000000 2007 606000000 2008 716000000 2009 639000000 2010 622000000 2011 588000000 2012 789000000 2013 1153000000 2014 1159000000 2015 901000000 2016 800000000 2017 983000000 2018 1069000000 2019 1122500000 2020 445000000