Year	constant 2015 US$
1995	2988648235.034873
1996	3181070510.343276
1997	3400526236.148837
1998	3521771304.1443777
1999	3632325063.29325
2000	3600808663.1408544
2001	3900779320.2229023
2002	4477457038.961826
2003	5365759698.549936
2004	5920483980.495071
2005	6801049527.240348
2006	7795848002.750927
2007	9112357706.723225
2008	9957823381.279371
2009	7771768479.857342
2010	7895354801.149766
2011	8107503597.006371
2012	9167918367.229969
2013	9485060528.337053
2014	9601951747.606876
2015	9466501710.46717
2016	9327833145.161877
2017	10293869479.643896
2018	10719481260.095945
2019	11336524807.080355
2020	10303476260.25111
2021	10551045917.927694