Year	constant 2015 US$
1960	158907448897.88574
1961	115573387577.19878
1962	109124392561.71411
1963	120364204991.72792
1964	142246417451.66986
1965	166357185215.3622
1966	184074225438.14856
1967	173453142622.91165
1968	166341563798.769
1969	194519824699.7404
1970	232062150860.40027
1971	248445738707.75958
1972	257911521353.0567
1973	277925455412.1859
1974	284345533440.4226
1975	309140463949.32355
1976	304286958660.1154
1977	327321481434.85614
1978	364393840371.87964
1979	392056159908.42975
1980	422770408019.57434
1981	444385648943.3254
1982	484456409125.2217
1983	536633345444.07324
1984	618156214897.2637
1985	701178782692.4657
1986	763934015643.3868
1987	852989071904.2168
1988	948716580689.1929
1989	988622772158.8389
1990	1027379269906.4396
1991	1122543213961.2842
1992	1282219705619.7678
1993	1460239618602.0059
1994	1650608234052.8538
1995	1831415106374.645
1996	2013138309684.4414
1997	2199087464269.0137
1998	2371626806476.088
1999	2553332587278.4253
2000	2770112908903.599
2001	3001022138034.2393
2002	3275124420038.432
2003	3603882407613.8516
2004	3968365429214.8003
2005	4420544471398.722
2006	4982879973774.785
2007	5691986693310.726
2008	6241302053216.754
2009	6827904909100.224
2010	7554112071638.196
2011	8275592638196.995
2012	8926363432826.297
2013	9619598215288.48
2014	10333926843443.777
2015	11061572618578.693
2016	11819153423353.85
2017	12640253743744.424
2018	13493442283300.77
2019	14296369668065.166
2020	14616413683019.543
2021	15851276922873.055
2022	16325084918823.803
2023	17173989334581.701