Year	constant 2015 US$
2002	11852551105.267748
2003	13123726938.654823
2004	15918107952.317371
2005	16974915058.355207
2006	18698087618.980434
2007	23967444631.097153
2008	22381910605.78861
2009	23720473656.29037
2010	29412435713.11621
2011	34768281648.79281
2012	38342668256.95852
2013	44513189268.84835
2014	46912000966.210594
2015	40245135855.408165
2016	40452413622.80738
2017	44039896564.17071
2018	47230112516.41181
2019	46777018653.676506
2020	28275757142.885548
2021	28530015407.152374
2022	26546810184.906876