Year	constant 2015 US$
1960	26559788078.84797
1961	27884396740.335136
1962	29400943620.20598
1963	31206780860.60932
1964	32456845661.37867
1965	34026658883.175297
1966	35613003286.361534
1967	37586903076.8766
1968	39406362350.875565
1969	41038013389.01264
1970	42384202026.51527
1971	44057486185.56159
1972	45930976678.79094
1973	48868560797.7659
1974	51791603936.23483
1975	54457960509.91726
1976	56985488982.64597
1977	59692866426.909424
1978	62651726296.09722
1979	65607524903.5837
1980	68508067787.15926
1981	69893593603.82222
1982	72837645837.44012
1983	72805671466.75731
1984	72168323834.73929
1985	71789168176.4875
1986	73687067849.32005
1987	76329783189.05801
1988	80930530347.07257
1989	84866222756.02956
1990	89481604343.5386
1991	91084292066.37253
1992	93448985878.91862
1993	96245439377.84694
1994	99403445556.41469
1995	102641172476.50557
1996	106482348956.83313
1997	111036618157.33847
1998	115951454474.08969
1999	119284297462.69656
2000	124447313790.15683
2001	128475242920.0935
2002	133586267419.45067
2003	140587684119.82297
2004	148262744475.94302
2005	154604639949.4023
2006	162457670118.40033
2007	170718481375.8089
2008	176598006219.8863
2009	182853439673.18085
2010	189553469335.72467
2011	199193024675.15695
2012	214884697880.92886
2013	227137882806.40012
2014	239629434140.0663
2015	255528448685.84027
2016	274538788058.0168
2017	291095415439.1834
2018	310853885703.11066
2019	330523569387.9434
2020	313137759806.38354
2021	327917959564.11475
2022	353292446355.3197
2023	369940374239.2429