Year	current US$
1960	15735718748.989817
1961	17111932062.275646
1962	18561604196.638065
1963	20084098837.310444
1964	22413827349.136585
1965	24653524758.940086
1966	26808514624.806633
1967	29082920112.78597
1968	30850579395.56824
1969	33491821172.851627
1970	37515552655.99629
1971	40990818197.77991
1972	48314218251.30186
1973	58721710209.96954
1974	65215350272.55936
1975	81875637011.70465
1976	88156396611.49246
1977	92894736254.90895
1978	102550754896.53645
1979	121224129364.83871
1980	140098077123.13223
1981	127310131927.16357
1982	111727759844.6503
1983	102305416911.21806
1984	106434177808.94121
1985	111204212624.50749
1986	147442169127.96902
1987	180029993848.96854
1988	203470249706.22797
1989	213859899331.4616
1990	255424756031.62802
1991	265721616039.68582
1992	272062878017.78906
1993	202589613793.45786
1994	221472265422.4987
1995	259831214164.55215
1996	283992543990.4563
1997	261156924124.74295
1998	265022201537.12625
1999	273635626452.36252
2000	262994913885.31137
2001	242580960587.07922
2002	267612328105.90424
2003	339970691169.0143
2004	387293608567.26855
2005	397558978201.8172
2006	434074299964.76105
2007	505966887613.1858
2008	535559769992.8692
2009	446774804672.18896
2010	509281261515.0207
2011	585817912459.7103
2012	565134029822.0708
2013	600021645780.3646
2014	594247305519.7036
2015	509378076586.9028
2016	518858248518.89
2017	550608799437.508
2018	566553766256.0775
2019	550015431692.2294
2020	566842109628.4463
2021	666610916613.6425
2022	617682795152.453
2023	616804949244.8109