Year	current US$
1960	28609069716.65071
1961	14340987515.518198
1962	9927495112.221165
1963	14509451921.824661
1964	18672221280.25018
1965	24178895611.39563
1966	29677496357.101746
1967	22710252527.10465
1968	23469939389.833065
1969	26700909088.295216
1970	39525208675.33002
1971	43626780223.7668
1972	46691241068.63401
1973	61401798501.41109
1974	67498512169.88763
1975	80192558919.78004
1976	75310342684.68097
1977	88691665340.475
1978	89927127464.8309
1979	102809292708.54256
1980	113374873603.95088
1981	117783859454.01787
1982	122327690477.87422
1983	136961798470.29962
1984	146443605638.2279
1985	172750313080.06287
1986	165092220973.2724
1987	156191667176.58368
1988	190426119397.6314
1989	212557865571.25708
1990	225651089772.5646
1991	250231866009.25085
1992	290937620556.94196
1993	337084077494.3257
1994	395753540916.96716
1995	488205607769.6708
1996	551564323946.1309
1997	538180066224.09344
1998	454753053435.3751
1999	475013146004.64087
2000	525356705242.07166
2001	594575507214.865
2002	665655816477.5592
2003	819726732739.8906
2004	1000148140350.4723
2005	1136037550351.3306
2006	1346508628208.848
2007	1732436885518.2986
2008	2311857982910.444
2009	2673339458235.357
2010	3360030727237.2534
2011	4135894157521.998
2012	4619907499329.246
2013	5126994796343.395
2014	5479954547083.367
2015	5440079848107.08
2016	5486478353620.941
2017	6061231365860.263
2018	6925216368385.982
2019	7041613868340.421
2020	7143666706006.827
2021	8580217106203.644
2022	8665388960213.351