Year	constant 2011 international $
1990	6303141074.68424
1991	6136578550.28765
1992	6501834022.56292
1993	5960741966.08878
1994	2972151760.58061
1995	4050561773.30672
1996	4512719534.56796
1997	5140599101.79203
1998	5592591310.5475
1999	5842206360.02493
2000	6315154595.54615
2001	6820648797.16195
2002	7738446957.83781
2003	7874741402.30592
2004	8462541544.34307
2005	9304252914.51965
2006	10169641512.9818
2007	11006140280.2463
2008	12205881740.5664
2009	12970664347.846
2010	13916252110.652
2011	14979823165.0363
2012	16229257831.0644
2013	16911945224.7205
2014	18113932167.7483
2015	19674762054.7053
2016	20824706709.297
2017	22148841907.5989
2018	24094723839.9344