Year	constant 2010 US$
2007	3199095793.91126
2008	3259600304.72033
2009	3981697863.55309
2010	4640908894.41666
2011	4536850230.41332
2012	5042133229.98487
2013	4749689519.64498
2014	5182381980.57224
2015	4052614402.98351
2016	3631137609.29487
2017	3583932871.37173
2018	3634108012.31728