Year	constant 2015 US$
1960	2912723583.829425
1961	3151407389.6219974
1962	3580684318.3270254
1963	3883202267.0427575
1964	4429233180.091087
1965	4926825171.382467
1966	5178833150.369942
1967	5594785682.990422
1968	5390335575.649678
1969	5649012597.506632
1970	5730955664.985527
1971	5868126620.041183
1972	5489999200.872157
1973	6733536851.441721
1974	7906501134.511827
1975	7092178883.416229
1976	7415639818.876768
1977	9051939478.018473
1978	7154258781.402849
1979	4085402612.7204256
1980	6989158379.556224
1981	7256101258.522582
1982	6581569146.063378
1983	7077567631.817467
1984	7271597131.15513
1985	7177550209.844385
1986	7023319400.346391
1987	7048922465.567791
1988	6512326860.0116825
1989	5790519653.130299
1990	5569456244.23262
1991	6085902528.943612
1992	6271104358.6629095
1993	5897778230.521266
1994	6222710264.424263
1995	6616915739.597931
1996	7107906539.4853325
1997	7710762829.826945
1998	8070918014.447671
1999	8995416599.667767
2000	8844794415.929419
2001	8916968537.114197
2002	9010551490.402431
2003	9137827521.551376
2004	9502036168.348629
2005	10010599909.932577
2006	10213322876.17034
2007	10954869874.668941
2008	11555402947.276554
2009	10706889189.842691
2010	11185202205.149475
2011	12123216725.491352
2012	12665549887.453367
2013	13161680483.472609
2014	13588421413.551298
2015	15056352910.099499
2016	15705071329.25923
2017	16043734661.15379
2018	14472180352.980438
2019	13472202611.384855
2020	13783036017.960365
2021	15467112727.315205
2022	15830789227.148571
2023	17202698899.16256