Year	constant 2010 US$
1995	5785501761.8326
1996	7282323238.5163
1997	9025198939.53512
1998	9367533656.58582
1999	7602615162.01393
2000	8675812456.90944
2001	10764297911.7744
2002	12937563087.1465
2003	14111410945.6935
2004	14704823958.8118
2005	17725240152.5627
2006	19966509490.9514
2007	20600381419.6872
2008	23382900386.8867
2009	20392552204.2392
2010	24255344866.2041
2011	27991734987.8323
2012	31459517923.2717
2013	34561359732.5942
2014	35691086774.3445
2015	36003218124.1124
2016	37446276576.6304
2017	42535729581.8758
2018	44689946884.7178