Year	constant 2015 US$
1970	25760527167.368343
1971	27380225151.463654
1972	30705896842.029278
1973	33639260307.650368
1974	35962184204.51716
1975	34290395699.719894
1976	40262930218.26363
1977	43661689960.98629
1978	43221448560.140976
1979	47649871769.77613
1980	50369587433.178474
1981	50064179586.36636
1982	48247379965.79019
1983	50262629281.00933
1984	53601732734.62885
1985	56570166793.20971
1986	54566880245.97729
1987	56658444076.83939
1988	62008399846.092514
1989	68307438489.55072
1990	73758597367.60931
1991	77530881282.03822
1992	79171520212.4312
1993	74825421749.76752
1994	82556032700.12534
1995	87430869530.81635
1996	91077505548.43352
1997	97699023004.03899
1998	103324197883.8632
1999	107523093942.78899
2000	118475683727.98038
2001	124627322474.40614
2002	124989767050.38663
2003	129373674383.82413
2004	139691411988.1288
2005	147311635281.9726
2006	155936078693.121
2007	164723054647.6171
2008	166294934845.15225
2009	146507138580.10928
2010	164043333765.4335
2011	173810919402.92178
2012	175416284699.496
2013	176633764289.50772
2014	181856152704.64835
2015	188457898640.54288
2016	195479351112.70303
2017	205818679837.85928
2018	216825225234.92178
2019	221698882653.41006
2020	199485513687.39835
2021	228067408979.6952
2022	246036336382.62097
2023	241693680738.4569