Year	constant 2015 US$
1995	3225909839.0050774
1996	3292094501.95664
1997	3509560138.0320306
1998	4078835669.031249
1999	4072015493.292577
2000	4591882196.246483
2001	5356804792.326952
2002	5529236409.684764
2003	6472805004.823436
2004	7806409542.506638
2005	8835259736.470308
2006	9926310332.595306
2007	10939382143.7414
2008	11290262266.862885
2009	9611788946.899605
2010	12415903036.866009
2011	12929016134.854681
2012	12979262645.132416
2013	12861601022.107416
2014	15459326852.698431
2015	17413223433.60468
2016	17240811787.478897
2017	17437711492.613663
2018	19550227364.902332
2019	21001828598.503506
2020	18433066601.922256
2021	19041524580.6539
2022	18088006983.424995
2023	21579364452.97343