Year	constant 2015 US$
1960	2582919381.065625
1961	2906478858.768359
1962	3213009532.625781
1963	3732595528.8183594
1964	4480100991.541797
1965	5215917735.9625
1966	5270989517.801561
1967	5570971846.578514
1968	6195994852.767185
1969	7077713651.8179655
1970	7527733189.768356
1971	8121298176.969137
1972	9282612005.431637
1973	12404623728.819916
1974	10553658877.802729
1975	10709464444.494526
1976	11736301982.074604
1977	12923388685.47343
1978	13509421189.65976
1979	14822964624.76757
1980	16206850067.628117
1981	17253784212.196087
1982	16804151894.244526
1983	17236834183.76601
1984	16870986731.749996
1985	17618455580.548042
1986	20063419238.306244
1987	20492792960.387886
1988	21996068647.357025
1989	24299509497.86445
1990	26332426696.353905
1991	27869403837.37578
1992	28169483803.28711
1993	28346415604.9293
1994	28771690786.39297
1995	31345319106.512505
1996	34459879341.32735
1997	37367532064.733986
1998	44154159462.132034
1999	50550449129.479294
2000	60751583586.05663
2001	61353894863.374214
2002	59248114843.84453
2003	63628590453.91132
2004	66439449272.73983
2005	67006911859.67576
2006	75925385062.94295
2007	87693379171.22534
2008	88851556406.74605
2009	70766786981.9359
2010	68339054059.3691
2011	61781989317.09293
2012	58376935307.74176
2013	56346805205.63356
2014	60147971959.63122
2015	64870128721.44333
2016	66268609806.38004
2017	71155342834.28433
2018	76918531132.08627
2019	79149830344.93237
2020	73385427130.5152
2021	86490185669.19331
2022	92733402500.09839
2023	94705530596.82338
