Year	constant 2011 international $
2007	39848315.1579577
2008	53563822.5745324
2009	58202288.0453032
2010	66089179.2783534
2011	73811384.0187438
2012	81256407.3109864
2013	109058272.861343
2014	148890823.420096
2015	153071962.459577
2016	168991452.677548
2017	176012515.389244
2018	169890340.940923