Year	constant 2015 US$
1970	56901517270.43048
1971	59464857077.51525
1972	66039566403.29103
1973	75366508996.2676
1974	78159203979.56369
1975	71683407727.98712
1976	80906923748.32541
1977	82638278671.68167
1978	84527060160.06291
1979	90440719486.57854
1980	90304736477.19064
1981	93367418108.26566
1982	95961926351.47386
1983	98482456713.18675
1984	104856175559.80003
1985	105204927637.1973
1986	108084779296.10355
1987	113452399620.0883
1988	124381038350.50978
1989	134520228702.40355
1990	140673070160.80276
1991	144971182190.9469
1992	150287017110.27466
1993	149622273542.60156
1994	162082254198.07346
1995	170173314820.23438
1996	178639674834.72656
1997	195593586559.92188
1998	203686817389.29688
1999	213564144946.79688
2000	240039563445.46878
2001	240952137798.0078
2002	249261057933.3203
2003	253287480213.39844
2004	268974550120.07816
2005	283797975192.6953
2006	299976226456.0547
2007	316283070263.4375
2008	322000279237.53906
2009	285693799868.90625
2010	315517617320.1953
2011	330130123992.3046
2012	328522883618.94525
2013	329681436979.3359
2014	346814202182.4999
2015	359721498493.0076
2016	382030917989.9607
2017	402931810872.2653
2018	407272669105.5466
2019	417002209546.0153
2020	390903137819.84344
2021	445066006698.90594
2022	466960024569.6091
2023	451504510003.2028