Year	constant 2011 international $
1995	254982473878.511
1996	276824906181.043
1997	297142761626.673
1998	311591815838.209
1999	328767075762.678
2000	338232566915.096
2001	345015567820.013
2002	358585941176.389
2003	364276055445.534
2004	379750237321.424
2005	386493347864.135
2006	405046191392.994
2007	427928505329.462
2008	456834263958.986
2009	473228109938.878
2010	486225264254.792
2011	501535513135.316
2012	505289032285.874
2013	506929455126.167
2014	519073064979.543
2015	534610087836.99
2016	555678209958.078
2017	582708028677.299
2018	608331302296.283