Year	current US$
2005	57306730518.02948
2006	63600078025.744415
2007	64686446082.795364
2008	51914641483.79441
2009	36522452468.08802
2010	38044845060.024925
2011	37369484209.046524
2012	35573875891.73655
2013	49316227035.406235
2014	62477430051.57903
2015	88696696958.82578
2016	99829198542.93938
2017	115964376336.63905
2018	130551231334.17874
2019	140350827317.56155
2020	157454524419.50177
2021	190529765245.49426
2022	186526061839.5671
2023	201871134746.5908