Year	current US$
2007	63296382379.56762
2008	63845283387.68902
2009	65201331975.701935
2010	70962703537.8569
2011	69143821950.82083
2012	75923418070.19485
2013	81949054134.48853
2014	92130370874.17345
2015	93507358154.97388
2016	91998492117.05794
2017	94677692221.71672
2018	94712413499.70795
2019	100713997305.42122
