Year	current US$
1960	33890000.24273988
1961	19710000.410675976
1962	28469999.745488204
1963	41119999.75144866
1964	20510000.262409415
1965	16089999.925345154
1966	15090000.12278558
1967	11129999.823868282
1968	15509999.67753888
1969	26070000.231265984
1970	20519999.692216523
1971	38179999.94754791
1972	40269999.52644107
1973	66860000.32350424
1974	60009998.75180426
1975	29339999.606832884
1976	40109999.29532411
1977	55269999.34948976
1978	158239997.48192692
1979	259109991.68083096
1980	231320006.17310378
1981	203419996.97312713
1982	210199998.75314555
1983	217429998.43694228
1984	150660002.48864296
1985	255379992.4049529
1986	322269999.41281927
1987	240729999.57017604
1988	333069988.1091716
1989	91150003.80761924
1990	83209999.63395295
1991	108899996.34586275
1992	83059997.45428568
1993	77640000.55938964
1994	149189997.88537648
1995	130530003.26454681
1996	47159998.78570439
1997	42700000.867247686
1998	43199999.93406244
1999	53680000.26978554
2000	70529998.55577949
2001	93420000.67234044
2002	95039998.98955224
2003	100680001.55687337
2004	95529999.18907873
2005	103079998.59005225
2006	111690000.07584687
2007	156929998.93240625
2008	481809989.7466599
2009	311799994.636327
2010	305209999.94687754
2011	327189998.72356653
2012	388290002.66827655
2013	3674160089.1407633
2014	1229069986.4216137
2015	1000210003.1021988
2016	1193940001.3014684
2017	1139270014.2581015
2018	1325090026.119724
2019	1623529994.0742555
2020	2091710012.8568707
2021	1109669996.8632312
2022	941799985.2448701