Year	constant 2015 US$
1960	4361205010.586975
1961	4685188018.741638
1962	5127497076.9142275
1963	5329384355.378271
1964	5599963570.769535
1965	5847087002.989287
1966	6583012206.770867
1967	6771705607.075468
1968	6990975296.479856
1969	7178621563.550618
1970	7320717537.034505
1971	8314656358.173507
1972	8500627212.19369
1973	7843655850.660259
1974	7643443985.246796
1975	5696928103.929202
1976	6039654796.089199
1977	6552331204.394026
1978	7159563739.559694
1979	7725434513.919373
1980	8202403680.541169
1981	8412249171.149929
1982	6649295737.553679
1983	6855266835.367145
1984	7464907776.986067
1985	7665433782.230683
1986	8249451786.157891
1987	8684747811.408676
1988	9450097524.957788
1989	10485048021.402746
1990	10588521466.303854
1991	11153648781.244078
1992	12426711078.19156
1993	13328292500.668842
1994	13872328138.513243
1995	14917432887.093332
1996	15396883703.399887
1997	16191030008.811901
1998	16112943425.213854
1999	16165043525.770216
2000	17155031809.784164
2001	17273692056.124382
2002	17527935368.756306
2003	17877522433.32261
2004	18726240028.569183
2005	19585235338.551033
2006	20496097587.115723
2007	20848179567.003128
2008	21476176937.982086
2009	20502782050.446
2010	21206188603.285492
2011	23262942262.339706
2012	24464332362.12309
2013	24703215079.584244
2014	24826169770.572186
2015	25212084680.29756
2016	25189001827.268368
2017	25427044756.92625
2018	26755002591.39286
2019	26275565521.603218
2020	25701217891.33525
2021	27167535175.576256
2022	26030861016.143665
2023	26512674578.977314