Year	constant 2015 US$
1996	4334289949.360482
1997	4401506379.433303
1998	4057693694.9836035
1999	3960801475.6091285
2000	4121231385.2438364
2001	4473891963.015285
2002	4925144661.44942
2003	5330939969.3902445
2004	5815644264.692052
2005	6234633667.726456
2006	6439159992.395268
2007	6503354880.53358
2008	7025588231.939071
2009	6379494969.044335
2010	6951849221.244174
2011	7336953026.191836
2012	7464848861.927817
2013	8144605798.434588
2014	8502287083.022816
2015	8247147200.201134
2016	8614254937.5317
2017	8999682528.7797
2018	9271659868.087336
2019	9648461605.520714
2020	8698725323.6833
2021	9765686387.618172
2022	9132604938.057392
2023	9285239679.597794