Year	constant 2015 US$
1995	4934270789807.138
1996	5260089042071.973
1997	5598776624414.069
1998	5850296285866.143
1999	6099021877450.993
2000	6503354226623.541
2001	6853900466761.221
2002	7280162896824.72
2003	7777733723739.947
2004	8436184460755.134
2005	9116155559263.285
2006	10023220359746.672
2007	11137146848335.035
2008	11990234666307.35
2009	12604308391387.498
2010	13622437727316.525
2011	14619357284282.002
2012	15592712969833.812
2013	16483798565115.963
2014	17460990629843.508
2015	18232498349572.62
2016	19026576136256.74
2017	20097966352181.797
2018	21132144856141.21
2019	22159456210819.664
2020	22211746426147.438
2021	23866400191201.12
2022	24589729121830.74