Year	constant 2015 US$
1960	13151308133.176758
1961	13234077198.302252
1962	13318640955.931831
1963	13903903992.619125
1964	14086995997.05505
1965	14838873519.320293
1966	15312795085.976429
1967	16233785395.562233
1968	16180378685.690155
1969	17419444453.33421
1970	17225798213.92476
1971	16055618398.248219
1972	15148703220.652597
1973	16458064548.351692
1974	16311911206.615444
1975	17266761428.751793
1976	17836875197.681335
1977	19144848256.70102
1978	19828001097.51771
1979	19442020985.36631
1980	21186315603.91484
1981	21916370747.793972
1982	22638583942.01465
1983	23534922591.41153
1984	24514853664.85293
1985	25379853893.141727
1986	26401027304.603207
1987	27395334946.226406
1988	28239905477.974796
1989	29172896203.424458
1990	30092197820.782227
1991	31111782809.1324
1992	32418888806.60242
1993	33675738474.149017
1994	35039839488.35099
1995	36649446860.96236
1996	38044632832.42766
1997	39599238953.7922
1998	41396983228.14185
1999	43238673791.49748
2000	45523584172.71243
2001	47968905922.17398
2002	50289235331.285286
2003	52793061503.47922
2004	55545216334.05408
2005	58986571558.63713
2006	62880931897.49059
2007	66958832094.51002
2008	70817256266.56271
2009	74414751814.2579
2010	78529016444.70143
2011	83410871601.72351
2012	88896017679.86975
2013	93797883007.31685
2014	99073411254.89209
2015	104820721031.2832
2016	111368767399.0278
2017	118468512910.14362
2018	126232490348.743
2019	134917051184.11832
2020	140223153616.93118
2021	148261000084.76477
2022	157537176694.5394
2023	165998891537.11395