Year	constant 2015 US$
1995	2258950696.5835624
1996	2716792884.570716
1997	3068149301.417568
1998	1870027741.112664
1999	1455133393.3913653
2000	1808262794.0953815
2001	3579276847.9964314
2002	4242842455.192551
2003	4812083788.995504
2004	6654532366.431192
2005	6188448736.885857
2006	6811580743.474319
2007	9784637023.18024
2008	10955476937.279335
2009	7806294895.044339
2010	6437475779.772206
2011	7184368691.06346
2012	6911132700.449423
2013	7382105005.058062
2014	6974862125.92106
2015	7408138437.668654
2016	7495392142.8747015
2017	8320741915.658213
2018	10043733076.742632
2019	11770490323.971035
2020	11703759126.396883
2021	12791693027.639332
2022	13230294634.961359
2023	13004233804.4925