Year	current US$
1960	3509999.99046326
1961	17139999.3896484
1962	54750000
1963	65849998.474121094
1964	89809997.55859381
1965	110139999.38964799
1966	136929992.67578098
1967	135100006.10351598
1968	180899993.89648402
1969	129770004.272461
1970	176779998.779297
1971	222610000.61035198
1972	224600006.10351598
1973	327730010.986328
1974	554510009.765625
1975	666720031.738281
1976	477300018.310547
1977	544489990.234375
1978	788869995.117188
1979	1156979980.46875
1980	1034290039.0625
1981	1413260009.76563
1982	1106540039.0625
1983	1123040039.0625
1984	1229609985.35156
1985	1316829956.05469
1986	1461880004.88281
1987	1652170043.94531
1988	2481600097.65625
1989	2389939941.40625
1990	2952880126.95313
1991	5032830078.125
1992	4981399902.34375
1993	4583399902.34375
1994	5798089843.75
1995	5920600097.65625
1996	6680859863.28125
1997	6589290039.0625
1998	7522500000
1999	7720759765.625
2000	7203759765.625
2001	8123430175.78125
2002	6996739746.09375
2003	9602259765.625
2004	12287020507.8125
2005	8664419921.875
2006	9677759765.625
2007	11282480468.75
2008	12850790039.0625
2009	13154120117.1875
2010	12444290039.0625
2011	17012800781.25
2012	17120109375
2013	15622479492.1875
2014	16348219726.5625
2015	13512200195.3125
2016	16799269531.25
2017	16018530273.4375
2018	16715660156.25
2019	14784679687.5
2020	20606449218.75
2021	20468970703.125
2022	19885460184.69706