Year	constant 2015 US$
1960	23240389159.69599
1961	24832346276.31639
1962	26760222380.245422
1963	28058250826.06769
1964	30816792062.60445
1965	30159562051.66354
1966	32301481745.227528
1967	32987032189.89756
1968	35185916879.93805
1969	37836222296.105965
1970	40229468687.30376
1971	43302891469.80426
1972	45818487209.251595
1973	48041017745.99838
1974	50939783696.49666
1975	52447027343.84431
1976	56104968313.65677
1977	58370670435.29839
1978	63272705430.19502
1979	66000397255.555824
1980	68912956616.54158
1981	70921420582.24655
1982	71969182417.03308
1983	72293954553.60306
1984	74364041026.31999
1985	75759325168.03134
1986	78210432234.9749
1987	81162401342.29478
1988	84196951780.84363
1989	86916940793.73975
1990	89538763711.48705
1991	90945691643.21428
1992	93705627808.47421
1993	99421653190.30122
1994	105310364915.35486
1995	111043066234.7849
1996	112201198874.67317
1997	114901574568.00877
1998	113974359607.53322
1999	107824021878.98206
2000	109977405717.33127
2001	111680062488.36
2002	113913776610.71796
2003	117265476500.10233
2004	121796112414.51921
2005	127195029493.93668
2006	135296331018.90598
2007	144162098958.26102
2008	150094372922.94794
2009	152658399112.41913
2010	160371631808.71173
2011	169193267860.59506
2012	178725390828.13843
2013	186994831197.11148
2014	194940394573.7303
2015	200968956292.9009
2016	204151558359.66132
2017	208344452395.81506
2018	215087513020.41583
2019	223842768877.92023
2020	212634363639.13794
2021	243942837626.39212
2022	270006546805.0267
2023	270060403345.9817