Year	current US$
1960	25346534.653465346
1961	69716175.03407678
1962	93846153.84615384
1963	353846153.84615386
1964	311905678.2265053
1965	237236524.8152408
1966	460680886.35002536
1967	532684303.7786576
1968	881996782.8805871
1969	1372497577.7413168
1970	1474453222.2550666
1971	1427923289.0918126
1972	1822628076.464351
1973	3107287401.1132207
1974	4208197096.217913
1975	4315289256.198347
1976	7424586776.859504
1977	10863429752.066116
1978	15794421487.603306
1979	20201446280.991737
1980	16592625518.061678
1981	18343290579.848152
1982	20870236287.42079
1983	26702346624.543037
1984	32075404745.403023
1985	33870945495.50585
1986	42631710189.82041
1987	58074869235.65543
1988	82241431378.50267
1989	95418492177.74275
1990	109938451252.54994
1991	128673178398.46088
1992	135140961874.37456
1993	149747816913.23517
1994	176050083278.7974
1995	215291259272.16724
1996	221859491408.6374
1997	207336317914.6783
1998	146748690112.08282
1999	180653754275.15442
2000	199357447118.92358
2001	179876042858.73853
2002	201738838097.99838
2003	237385220820.63138
2004	285691010855.3144
2005	325536630737.4931
2006	353866528835.3833
2007	399640766879.09796
2008	349994061050.2259
2009	317814993774.1301
2010	404402400428.8951
2011	431489651141.1451
2012	435129201840.91907
2013	473106373846.15735
2014	517179153527.60156
2015	533285084917.35944
2016	551944812376.2942
2017	601114517337.2114
2018	619838709398.8684
2019	566264944448.3774
2020	584877491154.9585
2021	652493457547.2024
2022	554936969766.4797
2023	551072041971.03