Year	current US$
1960	40133233.00025083
1961	44333222.50027708
1962	45733219.00028583
1963	42991559.1877687
1964	42758226.43776724
1965	46000000
1966	43647058.823529415
1967	47117647.05882353
1968	39900000
1969	44700000
1970	45050000
1971	50850000
1972	49619047.61904762
1973	50619047.61904762
1974	120045454.54545455
1975	142250000
1976	94400000
1977	84320000
1978	102640000.00000001
1979	105400000
1980	124800000
1981	107142857.14285715
1982	97333333.33333333
1983	97000000
1984	91315789.47368422
1985	102093023.25581396
1986	113953488.37209302
1987	91734693.87755102
1988	93600000
1989	133161768.38235295
1990	151215189.87341774
1991	141234347.04830053
1992	163605115.9072742
1993	166559139.78494626
1994	205263919.0166305
1995	253985915.49295774
1996	266424501.42450142
1997	272336570.67014974
1998	243284900.90951973
1999	243261160.2377555
2000	213680863.89300004
2001	211779967.90138128
2002	224241470.6422259
2003	238618721.77330926
2004	248112149.06143236
2005	238273921.20075047
2006	809144473.4693904
2007	829798693.9414228
2008	959818302.438727
2009	931468497.1806816
2010	979356123.4382557
2011	948080434.2764714
2012	1033650044.5029565
2013	1068939801.0022358
2014	1015160308.2031327
2015	1088924939.4673123
2016	913898305.0847458
2017	1080590799.031477
2018	935298080.8227584
2019	910340527.5779376
2020	921961630.6954436
2021	1081980815.3477218
2022	1476230215.8273382