Year	constant 2015 US$
2007	34998287233.24138
2008	51234842504.71048
2009	50305685260.2521
2010	53351945411.97525
2011	55819617935.12461
2012	65100821691.12837
2013	66007790138.876366
2014	68083784921.89319
2015	58500390393.63232
2016	45458014002.801476
2017	50208078490.03189
2018	58552423571.44303
2019	75167022607.566
2020	57168106108.8023
2021	61554329363.36443