Year	constant 2015 US$
1960	5526069739.979089
1961	5624884087.805589
1962	6223675463.802783
1963	6428554430.050577
1964	6242740082.752422
1965	6360350774.920726
1966	6615560446.686317
1967	7146051036.218368
1968	8086684699.046652
1969	8221561997.906553
1970	8203811663.228884
1971	8529380681.120873
1972	8897164413.269562
1973	9230951991.420435
1974	9710353265.520899
1975	10807040015.51583
1976	11537364863.89725
1977	12448855256.315626
1978	13346956829.555693
1979	14207521621.246376
1980	13852339466.642729
1981	14241350091.171162
1982	15213509579.1651
1983	16519954658.048016
1984	17242890021.71998
1985	17900312128.886124
1986	20015040230.77112
1987	20425191790.30491
1988	22335379168.459126
1989	23437009774.01122
1990	24123992569.954372
1991	27575058934.538868
1992	27497814700.966896
1993	27088408904.198467
1994	30550772808.94813
1995	29339427747.28086
1996	33317637665.58378
1997	31923503837.58046
1998	33766655769.381374
1999	34341353015.99043
2000	34975555417.65986
2001	35397465925.842316
2002	36638291748.51335
2003	38841938464.93137
2004	40574002862.54132
2005	41923293870.878
2006	44645299400.47921
2007	46687247661.142746
2008	50207543083.65355
2009	52229059447.47093
2010	54352368885.40251
2011	57343059043.550476
2012	59725832809.76441
2013	61625574629.68972
2014	63560561016.07746
2015	65103681269.86052
2016	66336328624.62239
2017	68795924115.77528
2018	70528014189.95006
2019	72062875685.45035
2020	68024859229.5252
2021	72813607056.38666
2022	72393127092.24805
2023	73131447293.92036