Year	constant 2015 US$
1960	8077117173.9093685
1961	8606432350.42737
1962	9037986907.418112
1963	9440477108.1456
1964	10101900516.298319
1965	10702554406.4336
1966	11242114030.388983
1967	11349153106.62364
1968	11499503228.272783
1969	12166698572.318888
1970	12777990941.478846
1971	13615410549.088022
1972	14623678811.438444
1973	15782372394.631762
1974	17383246432.845623
1975	17539873416.525536
1976	18645127104.791348
1977	20523189312.286736
1978	22445241754.052105
1979	24439736659.690163
1980	28131507440.544006
1981	30056396332.96069
1982	31416648741.490826
1983	32520217921.21559
1984	33739153182.67035
1985	33765285113.739765
1986	31208771010.78633
1987	31807821853.01013
1988	35218003256.438225
1989	39136507806.69486
1990	43287085213.803925
1991	47441393559.94401
1992	49676896187.78059
1993	53008679362.96918
1994	57814419558.7037
1995	63875092037.01246
1996	67470686525.18732
1997	70556711673.35039
1998	63518583078.094574
1999	67109819705.26645
2000	73970002924.08589
2001	77977016121.39204
2002	82290040440.46666
2003	89055772586.00319
2004	97394286279.78943
2005	105715443039.98418
2006	112458992357.94498
2007	123644689660.25809
2008	133947571395.5776
2009	135902973247.43039
2010	143874498181.28
2011	155927162684.15723
2012	167947508202.54745
2013	179603976859.2654
2014	191140403621.1552
2015	202053967564.6666
2016	211983396466.61856
2017	226130522796.86002
2018	242244208287.09503
2019	258193549650.8252
2020	251560633558.7764
2021	258360119616.11
2022	283937484220.94617
2023	296969035671.28766