Year	constant 2010 US$
1990	9751044605.18046
1991	10332014337.7672
1992	9925689596.59365
1993	9834326809.95643
1994	9188877392.43028
1995	10084919268.8368
1996	10723686674.0018
1997	11748926862.3524
1998	13466776599.4753
1999	14370928133.4206
2000	14898337565.8242
2001	15608956771.9672
2002	17342079133.5059
2003	18195974713.3987
2004	19371511253.9225
2005	21009952070.1967
2006	23145767153.4146
2007	24098998704.2663
2008	24727617748.4859
2009	26332721334.7881
2010	27862651879.4341
2011	29690764326.2884
2012	31473086313.685
2013	34694769003.1701
2014	37375792502.6051
2015	39461924460.1185
2016	42529880658.7636
2017	44943722066.0129