Year	constant 2010 US$
2010	6899511514.30565
2011	8112351709.69993
2012	9697138869.50454
2013	9569434752.26797
2014	8311353803.21005
2015	7841385205.86183
2016	9400209351.01186
2017	9375436147.94138
2018	9351011863.224