Year	current US$
1965	3060000
1966	2562285.714285714
1967	3925000
1968	7518999
1969	7653998
1970	7900001
1971	8324363.665408641
1972	10097172.791922262
1973	11915826.600891305
1974	13443968.22921428
1975	70223135.23871486
1976	78340553.90908128
1977	106321890.98935883
1978	141248135.34861195
1979	141883723.4768428
1980	191485673.19995335
1981	221431071.1739708
1982	189737869.7759478
1983	227204776.24316248
1984	221524091.11372343
1985	235409915.0561712
1986	309746737.7810418
1987	232051966.60233712
1988	248053115.71154663
1989	251098656.55429816
1990	466811086.1191049
1991	308530611.7126993
1992	245634969.12611058
1993	226328850.7601665
1994	130000002.27272727
1995	132201922.44659969
1996	159588687.82999805
1997	222863531.93389165
1998	223492962.0146631
1999	221062406.3647
2000	199368123.16876584
2001	178393781.0149576
2002	192060756.65614563
2003	190272572.56047094
2004	210392606.100279
2005	255801754.89483577
2006	298754618.13926625
2007	331347185.7831083
2008	411291093.8619768
2009	453009803.4195389
2010	505807529.6644373
2011	576287279.9145104
2012	634170775.5767546
2013	533794901.613891
2014	561670235.7343043
2015	583841626.8950223
2016	583041124.7231666
2017	710420233.531352
2018	734600915.5336692
2019	865141010.095619
2020	888860972.0570182
2021	1022764146.7217896
2022	1318515050.3009634
2023	1390599789.479937