Year	constant 2011 international $
1990	7797526395.49173
1991	9349946758.54099
1992	8580128185.61903
1993	9254500847.94105
1994	9167920380.05703
1995	9412113642.3667
1996	10038579392.0055
1997	9809646927.14459
1998	9934105825.5704
1999	10890698956.5842
2000	10705508178.8015
2001	11476913196.0959
2002	11232699633.8375
2003	12110593897.6161
2004	12654935565.8454
2005	13511336218.0555
2006	14128574530.501
2007	14956288043.3832
2008	16156449962.4814
2009	17077767829.7894
2010	18890257719.4011
2011	19305852726.7111
2012	19533965516.2259
2013	20050934521.7831
2014	21562137346.3061
2015	22820422717.3024
2016	23705879575.1827
2017	25971462934.7641
2018	28080343762.7765