Year	constant 2015 US$
2006	247180548179.3874
2007	253948767648.41705
2008	251200164707.3944
2009	242786994740.8788
2010	231001724407.37646
2011	205215006078.71204
2012	196647634901.14444
2013	191048267291.15616
2014	194316781315.64835
2015	195524237566.20615
2016	194614726578.75812
2017	196069067199.68625
2018	196391913260.6003
2019	200042836436.02686
2020	182762662459.72726
2021	195019191736.44522
2022	202602744519.74094
