Year	constant 2010 US$
2008	2408468912.94995
2009	2496081558.73159
2010	3064908998.16175
2011	1883905288.04774
2012	2768516656.7571
2013	4277951568.59223
2014	5084835845.79348
2015	5829266461.44511
2016	6000498118.25572
2017	6712583150.14789
2018	7676841550.29084