Year	constant 2011 international $
1990	4188687575.75381
1991	4107907649.8986
1992	4011283742.95455
1993	3978861457.27048
1994	3556359460.62277
1995	3615842724.12937
1996	3272863361.57986
1997	3249065738.15574
1998	3932001595.87096
1999	4158663864.62463
2000	4344559555.19071
2001	4331716066.59207
2002	4424767418.60945
2003	4437228021.00386
2004	4561918921.98814
2005	4790550213.69579
2006	5086567555.8609
2007	5268792404.21426
2008	5441847486.77787
2009	5714741232.37591
2010	6143865449.62727
2011	6587201949.54902
2012	6996991782.94557
2013	7567316583.34237
2014	7986545922.08872
2015	8313994304.61034
2016	8505216173.73684
2017	8540938081.77857