Year	constant 2015 US$
1960	14617174937.331541
1961	15387277168.191286
1962	16242212244.367294
1963	17080753004.869127
1964	17860739291.811306
1965	18578220488.08547
1966	19384175133.007385
1967	20333822943.916862
1968	21240131376.326412
1969	22328655976.89932
1970	23280547996.613586
1971	24392561528.57178
1972	25394658745.406822
1973	26932501161.722828
1974	28210581512.16906
1975	29636724762.31512
1976	31423546950.304794
1977	32837491844.709885
1978	34683512695.87037
1979	36534937416.840744
1980	38732301664.86553
1981	39526011225.99633
1982	42084168701.494736
1983	44187456607.09205
1984	41501956774.87846
1985	40712476339.25302
1986	42439999360.85753
1987	44618489061.25249
1988	47696229356.43939
1989	50930034195.51772
1990	53271975281.51793
1991	53426431759.72904
1992	53974981947.776375
1993	55328032714.53972
1994	57626017823.582306
1995	60371192102.99124
1996	64141170403.971375
1997	67543501597.17639
1998	69476206792.37735
1999	72648803803.81987
2000	75081125888.58063
2001	77972104387.83052
2002	80913162326.92805
2003	85206966086.72092
2004	92273757515.10394
2005	97147623461.21031
2006	103378318722.79628
2007	111334014686.37608
2008	115774787086.78908
2009	119740962413.58119
2010	128785254932.9703
2011	135441476697.94998
2012	145438234922.54404
2013	156449620859.95523
2014	166959123658.85538
2015	179336873335.81818
2016	193996145476.2598
2017	208267346406.4508
2018	222309992787.13187
2019	238412703274.8283
2020	216652280090.19858
2021	228279021450.1932
2022	249346878163.40173
2023	267111780951.50797