Year	current US$
1960	1368323971.767271
1961	1157966505.8986475
1962	1009285994.8915532
1963	1221413727.5755086
1964	1514285621.212561
1965	1611550932.8968575
1966	1678521011.5645394
1967	1826797035.7801387
1968	1996564354.325722
1969	2268127433.0404263
1970	2127284969.5003908
1971	2071127069.8664663
1972	2251262354.667886
1973	2624959355.5312996
1974	3657256826.0196633
1975	4774271876.228714
1976	5518429327.6479435
1977	6222603627.137399
1978	6849403864.451072
1979	8312456666.74337
1980	10203640543.82049
1981	12864065887.56014
1982	12755329802.975626
1983	10926681880.620817
1984	10709768979.341105
1985	10742355588.326809
1986	9597166042.534374
1987	9247219418.10127
1988	8126759717.904877
1989	8859019470.326286
1990	9553833286.144064
1991	10951392696.348173
1992	11567676838.419209
1993	13525682841.42071
1994	16117491745.872936
1995	17664731365.682842
1996	17723025512.75638
1997	19817376688.34417
1998	20293185592.7964
1999	12779283641.82091
2000	11156550275.137568
2001	16797409000
2002	19873107000
2003	22235392000
2004	24770328000
2005	27470939000
2006	29901522000
2007	32095555000
2008	36968542000
2009	37954004000
2010	43384728000
2011	48350117000
2012	53149769000
2013	57508909000
2014	60881624000
2015	62465713000
2016	62041043000
2017	65677273000
2018	67523020999.99999
2019	68594785999.99999
2020	60888655000
2021	68565039000.00001
2022	75026158000
2023	76474970000