Year	current USD
1963	422263764.81676376
1964	545722182.0956687
1965	669309717.939733
1966	713517382.4056509
1967	878292920.559139
1968	1119925401.8967872
1969	1540387742.9688067
1970	1613808372.2964606
1971	1728970667.3202958
1972	2052076755.203361
1973	2566938497.0401363
1974	3481515504.6662188
1975	5684992345.047788
1976	5683281395.716847
1977	7054371327.131774
1978	7968045685.227517
1979	8809036420.008759
1980	9508375818.957518
1981	8817673939.538553
1982	7919918552.336977
1983	8226206243.250153
1984	7892706990.59716
1985	7044197904.184531
1986	7132065128.974493
1987	8275763702.882132
1988	9332461603.654907
1989	9253948648.716019
1990	10819256008.67724
1991	9342349181.283037
1992	7411657271.643335
1993	8339718591.5698805
1994	6499487573.241446
1995	6187604532.624715
1996	5710615259.875082
1997	6093501182.092258
1998	5757289276.6842785
1999	6745985664.7577
2000	6350708382.560119
2001	5746794114.0722
2002	6561325657.544892
2003	7427343619.670106
2004	9306080031.869999
2005	10392655335.472673
2006	12498161842.389357
2007	14166299159.459682
2008	17957575408.530033
2009	17830821867.463856
2010	16590719671.853271
2011	18222699734.065117
2012	18751443006.05548
2013	21739346177.789917
2014	23250008637.42911
2015	20381550188.019966
2016	19213029082.561623
2017	21660785204.53501
2018	18574046966.61031
2019	17834942701.18862
2020	18182018609.257706
2021	20862033957.86558
2022	20047764633.013355