Year	constant 2015 US$
1960	4138528465.1113706
1961	4555907834.436624
1962	4251756758.13577
1963	4106064709.85642
1964	4648044847.037051
1965	4499661408.67044
1966	5837611893.259481
1967	5297040556.803755
1968	6066371191.838598
1969	5931956890.5703125
1970	7667564861.210376
1971	7994918932.033258
1972	7799914986.44739
1973	8508413132.882768
1974	10195452250.428957
1975	8358456798.668209
1976	9136408405.345139
1977	10620551138.14429
1978	11354912199.141203
1979	11318971247.975744
1980	12549948833.325542
1981	14210882192.028316
1982	14968799146.908882
1983	14646909072.063618
1984	13783961972.198864
1985	12454753881.028124
1986	12996782283.175142
1987	14194368781.954514
1988	15331244214.27536
1989	14207968061.010454
1990	14041376894.216429
1991	12814527661.2939
1992	18322842729.47544
1993	25322464436.771656
1994	32086770049.513214
1995	34033120857.175827
1996	29942360202.162666
1997	29749281568.159237
1998	27872656443.36224
1999	17105456115.444952
2000	19203150239.387756
2001	20820815764.466927
2002	22917548423.08529
2003	25519859697.493557
2004	28373797495.74349
2005	31629068442.5238
2006	36985074785.6795
2007	42827626070.05206
2008	46717797241.73055
2009	43776644013.86487
2010	47962608249.50654
2011	56843329968.91396
2012	58484233784.90698
2013	63049878143.34233
2014	70586583289.74814
2015	69773972998.12056
2016	69660543105.52803
2017	67411640476.185295
2018	68425579709.00605
2019	70445798921.45
2020	55877169886.99232
2021	62340120680.3678
2022	72315386154.34181
2023	54397795035.018745