Year	current US$
1960	132367920.16806723
1961	205735075.94537815
1962	184890825.39094642
1963	159856890.4873949
1964	142390865.41176468
1965	178714705.88235295
1966	193547899.1596639
1967	210572016.46090534
1968	216394139.36134434
1969	249194453.7815126
1970	309643697.47899157
1971	305912310.2866779
1972	335333333.3333334
1973	423375000
1974	509127819.5488722
1975	627691868.7589159
1976	574266349.5838288
1977	719670800.4509584
1978	457180012.81229985
1979	577018625.5619781
1980	719128251.6636418
1981	843238961.038961
1982	873580009.6107641
1983	961074798.1300467
1984	1152594339.6226416
1985	999425625.9204713
1986	1072758743.7544612
1987	1150567255.4347825
1988	1215124174.7878027
1989	1179167822.4687934
1990	1422261607.588617
1991	1596001933.7684314
1992	1750643394.934976
1993	1924584023.178808
1994	2134475920.6798866
1995	2152560000
1996	2438965080.513841
1997	2693380598.4065094
1998	2923554693.5608997
1999	3034898162.5141563
2000	2940725879.7558756
2001	2891718889.883617
2002	2647453632.657328
2003	3019426025.6941566
2004	3395394801.857891
2005	4367960199.004975
2006	4800718467.959691
2007	5685749574.865526
2008	5645497609.087944
2009	7547302081.556847
2015	23111167837.296585
2016	26077669142.914814
2017	31176832400.268856
2018	29425273609.476376
2019	25218169640.34084
2020	22506958790.382805
2021	26004272397.004894
2022	18565806687.77072
2023	20083631242.155373