Year	constant 2015 US$
1960	28500218450.362003
1961	30737765075.082535
1962	32559481740.360767
1963	34851774000.57849
1964	35985116880.61024
1965	37779511777.781334
1966	39397499533.93779
1967	40937728476.22878
1968	42864076486.6348
1969	45172725051.97497
1970	45612242045.05276
1971	49072672620.918495
1972	51880464160.5568
1973	57685808967.052895
1974	60752483448.44182
1975	62973081592.19903
1976	67340541777.594696
1977	71484588312.12325
1978	75501623338.70978
1979	80998138234.2549
1980	83766253992.55377
1981	86596119397.15756
1982	86918753131.15817
1983	88007294845.84831
1984	77184403299.80191
1985	72311633343.42023
1986	75242005282.12218
1987	80280829512.23125
1988	86733892169.51843
1989	92125591941.22653
1990	99403433025.73007
1991	101623438993.6464
1992	105254375371.97449
1993	109212642051.31711
1994	114637871227.53339
1995	120605901031.4208
1996	131979311910.92647
1997	139041580569.49048
1998	141687075089.01254
1999	145516267854.89835
2000	156705287429.46567
2001	161574886459.83017
2002	167584824239.63733
2003	175978564978.67212
2004	187314655542.00888
2005	197163347869.32523
2006	206502108158.3318
2007	219559210480.06784
2008	229772543210.55536
2009	238152760932.24026
2010	254963211649.2307
2011	263481922004.4806
2012	282086091721.3892
2013	303047534889.22394
2014	321777810330.07635
2015	341466825828.8933
2016	364753332370.0797
2017	389697119862.3291
2018	412733266056.467
2019	434923187644.39453
2020	385077978757.33984
2021	391640726167.8465
2022	430363084108.16425
2023	475338065584.6075