Year	current US$
1964	379539890.4225865
1965	394641371.49293905
1966	394081162.78754383
1967	375814971.89394647
1968	372086209.0560765
1969	405428728.6516094
1970	434540196.5040425
1971	456073197.63800174
1972	472155843.8728765
1973	547504250.8248441
1974	669316780.0829395
1975	754580338.3036178
1976	691666570.379979
1977	675735301.8889824
1978	774633332.4774278
1979	1030828159.0540968
1980	1242453641.2991512
1981	1247912024.0854023
1982	1248745005.6534748
1983	1075908480.2347245
1984	1087990301.3814406
1985	915141652.9039943
1986	684225742.0556452
1987	696182459.4765779
1988	710870711.3787901
1989	864379782.8909799
1990	802289622.3999177
1991	756397556.7639155
1992	573071072.88793
1993	685065861.7019434
1994	700446069.9445441
1995	779168567.3788527
1996	890632454.8085063
1997	847597468.468552
1998	744423487.1886296
1999	679236753.8536854
2000	659079815.1973604
2001	719137505.7768141
2002	1020307865.5214076
2003	1415656840.7345965
2004	1513198949.8698094
2005	1635143619.7723515
2006	1534128228.9470377
2007	2182250400.8637943
2008	2587337231.449117
2009	2741507521.765175
2010	2677703676.8263
2011	2937545462.3370404
2012	3145926449.2029605
2013	4532245954.018467
2014	4876896122.69413
2015	4025405679.811145
2016	4078172190.8439374
2017	3976076548.595517
2018	4039105544.1443634
2019	4159009864.782985
2020	4061314131.646264
2021	4292348692.8677483
2022	5204747021.909654
2023	4921755891.331126