Year	current US$
1960	970402298.8505747
1961	1041379310.3448275
1962	1118390804.597701
1963	1182758620.689655
1964	1237643678.1609194
1965	1295689655.1724138
1966	1288218390.8045976
1967	1407758620.689655
1968	1491379310.3448277
1969	1597413793.1034482
1970	1836494252.8735633
1971	2086494252.8735633
1972	2239655172.413793
1973	2665229885.0574713
1974	3568390804.597701
1975	4343390804.597701
1976	5306609195.402299
1977	6879885057.471264
1978	7611405835.543767
1979	8013752913.752913
1980	8760000000
1981	10196779964.221825
1982	8350840336.134454
1983	7892307692.307693
1984	10392307692.307693
1985	7808159722.222222
1986	8992000000
1987	10946666666.666668
1988	12855555555.555557
1989	19466666666.666668
1990	30377777777.77778
1991	38470385278.89592
1992	6155575170.375236
1993	7836724958.258533
1994	11236356604.939764
1995	12546180410.89806
1996	8632290580.688076
1997	10635287607.179598
1998	10292034089.318876
1999	9860142767.542637
2000	9666847358.749233
2001	11005632076.430767
2002	12344791417.431746
2003	14392276826.80201
2004	16809414823.287643
2005	22834693755.238995
2006	29782182448.9888
2007	35437692822.77665
2008	40567932261.74226
2009	39041386653.84615
2010	40394137931.034485
2011	36541631578.94737
2012	32733100000
2013	37636972602.73973
2014	45675258426.96629
2015	47323474747.47475
2016	38641193333.333336
2017	36719390952.38095
2018	31276115869.778866
2019	30590416996.694214
2020	25390345554.521275
2021	32915934387.624645
2022	50312382694.05475
2023	106990496391.26761