Year	constant 2015 US$
1995	23657863769.54843
1996	23943979406.218353
1997	25022421497.85429
1998	26788479765.403507
1999	28867889992.06171
2000	30806000423.560146
2001	32262086308.26523
2002	33124837984.45077
2003	33737657458.355457
2004	35132370637.51561
2005	36090203130.37615
2006	38975552425.65545
2007	41748009893.82654
2008	42461520991.09412
2009	41555803428.21912
2010	43101864151.276535
2011	43611045135.58083
2012	44120861870.77146
2013	45326712656.176544
2014	46088661757.71014
2015	47895839682.4988
2016	50260642143.42224
2017	51343977186.90583
2018	51861428480.296844
2019	53008375226.33864
2020	52679938329.96872
2021	57231312210.578476
2022	58478152840.2148
2023	57522174343.394485