Year	constant 2015 US$
1980	23063262074.12865
1981	22048478261.806442
1982	22048478261.806442
1983	22974514663.773083
1984	24352986041.018524
1985	25205340428.274944
1986	25936295739.890057
1987	26995209500.20778
1988	28649716324.68792
1989	28661640755.43454
1990	27672785864.631145
1991	27947122601.43509
1992	26315491127.13089
1993	20004137038.183407
1994	20272065135.45617
1995	23312874911.625793
1996	26470456890.200928
1997	28395991341.424957
1998	29728088881.44617
1999	30376604083.873093
2000	31304495193.778828
2001	32621161809.65333
2002	37079068252.73583
2003	38187732393.49264
2004	42369289092.85091
2005	48737393239.50306
2006	54366562157.63195
2007	61983317520.594925
2008	68906854084.05942
2009	69499453030.66574
2010	72556300249.88297
2011	75075493556.7676
2012	81488522604.1031
2013	85525963563.91919
2014	89650503847.70413
2015	90496420506.59566
2016	88161512205.70274
2017	88031782694.37866
2018	86872966032.87346
2019	86262880684.94563
2020	81399194250.73006
2021	82375341952.56158
2022	84884003095.5114
2023	85610610955.54346