Year	current US$
1960	12609999.993816018
1961	23080000.000074506
1962	31680000.09655952
1963	46839999.98308718
1964	36180000.10773539
1965	30260000.66660344
1966	22689999.822527204
1967	25999999.962747138
1968	41029998.214915395
1969	29479999.99672174
1970	25850000.049918886
1971	23840000.048279766
1972	42829999.869689345
1973	17739999.9499321
1974	38650000.058114536
1975	33160000.180825546
1976	45879999.68603257
1977	58170000.52332878
1978	86439999.6399879
1979	107090001.34468077
1980	100180000.6181001
1981	99710001.64188454
1982	89469999.85352157
1983	138510001.7786026
1984	121829999.19541185
1985	141530000.2619625
1986	218540001.16884708
1987	228449999.99366698
1988	252190001.5510619
1989	318389997.04271555
1990	390209996.8548865
1991	376219996.6106564
1992	534519997.32106936
1993	458310001.2056528
1994	413360002.82876194
1995	542000002.1681192
1996	626399993.862957
1997	489969998.0411678
1998	445990001.4474988
1999	427480002.623051
2000	361610002.5139749
2001	562970007.9746547
2002	504959996.4562801
2003	626590008.2010778
2004	594439997.7102878
2005	481140003.3459073
2006	626349991.3662672
2007	405489992.5626814
2008	544470000.6246566
2009	562960003.4952165
2010	496330010.6525423
2011	480940003.5776197
2012	393529999.32877713
2013	355159999.7691811
2014	322530004.1791053
2015	256860001.07415015
2016	278819999.5458125
2017	413159999.6220327
2018	305219997.72265553
2019	409249996.071682
2020	236760001.43773842
2021	397660004.5058881
2022	239089999.45037073