Year	constant 2011 international $
2009	3691067409.00615
2010	3578158851.8893
2011	3579707395.24445
2012	3888854849.22069
2013	2109297925.61941
2014	2145761444.82453
2015	2186267805.40654
2016	2327559395.42897
2017	2558765232.68044