Year	constant 2010 US$
1990	1172015387.13821
1991	995051457.652684
1992	788338298.956656
1993	857351300.093058
1994	822356038.937654
1995	1146599834.0106
1996	1125778633.77363
1997	1210203883.43854
1998	1256049629.37056
1999	1149597568.03227
2000	1401374455.20219
2001	1315208232.96407
2002	1552158861.55628
2003	1473719853.95162
2004	1748580508.69855
2005	1587242490.41219
2006	1737819454.7627
2007	1967613334.23132
2008	2407079218.82103
2009	2392817581.07473
2010	2301776471.75242
2011	2714430477.37909
2012	2990795086.65199
2013	3005549399.15681
2014	3326332527.44683
2015	3601426554.4478
2016	4052716633.24172
2017	4084403399.28896
2018	3789991335.70437