Year	constant 2015 US$
1960	10075053649.807173
1961	10840555621.644796
1962	11536630907.895397
1963	12383281583.840616
1964	13046897050.923655
1965	14049533276.9683
1966	15147744693.757061
1967	15732015396.771841
1968	16987114742.20676
1969	17817535562.97873
1970	18884189212.42743
1971	20779153503.24442
1972	22729992899.48981
1973	25389647919.05968
1974	27501726905.738445
1975	27722034464.782192
1976	30927669086.16428
1977	33325509326.092953
1978	35542952796.752495
1979	38865898972.063484
1980	41758231849.79932
1981	44657131817.383446
1982	47311173244.665115
1983	50269176995.279
1984	54170965009.804184
1985	53615577053.76073
1986	54280729183.04322
1987	57098947792.52003
1988	62773281162.3831
1989	68460289886.50354
1990	74627553679.50899
1991	81751102498.17316
1992	89014784403.71443
1993	97822746879.14008
1994	106834219205.04814
1995	117335045630.59123
1996	129071719045.01717
1997	138523307832.50473
1998	128328802476.71619
1999	136205126470.55666
2000	148271359064.94806
2001	149038923296.25912
2002	157073594223.9318
2003	166165798103.90192
2004	177437551536.37424
2005	186898768708.9009
2006	197336779111.68222
2007	209766600383.97195
2008	219902039818.77838
2009	216573759299.0797
2010	232654030399.22736
2011	244970531973.6761
2012	258378881826.4732
2013	270506469604.10135
2014	286755041078.0301
2015	301355266964.9473
2016	314764917575.08777
2017	333061328477.2681
2018	349191778300.005
2019	364602265936.14014
2020	344706479641.2438
2021	356073661872.22406
2022	386875259314.18665
2023	401113360563.35