Year	constant 2015 US$
2001	2128212507.9149525
2002	1634706545.5331895
2003	1557124221.5121374
2004	1748278210.4447176
2005	1695227493.290965
2006	1673295980.2902281
2007	1657485578.9279838
2008	1669535668.5203588
2009	1734187391.8198478
2010	1553158293.474172
2011	1520319662.718944
2012	1827317226.810484
2013	2063914289.610583
2014	2432030309.4894333
2015	2488355629.404721
2016	2057722839.706274
2017	2239940447.6465616
2018	2412284724.976189
2019	2546009901.8680506
2020	2141649077.7434368
2021	1685060653.5578907
2022	2258993379.0456576
2023	2332741223.967297