Year	constant 2010 US$
1993	30228779085.922
1994	31800096834.2814
1995	33122014720.2696
1996	36903331355.6796
1997	41510876291.9608
1998	43943798738.2578
1999	44927236060.2092
2000	53437914762.3743
2001	55848236499.3715
2002	59520627137.1194
2003	63865813924.6159
2004	70259030732.7381
2005	76824777576.0232
2006	83694629886.9751
2007	92855212927.1021
2008	103546234808.224
2009	103101289507.348
2010	110082217960.453
2011	122138333027.082
2012	132838373113.489
2013	143634320256.512
2014	157145768484.334
2015	161524842365.033
2016	171507666057.386
2017	173813493953.764
2018	180332391473.569