Year	constant 2021 US$
1960	1409999.9666214
1961	19329999.9237061
1962	73669998.1689453
1963	164470001.220703
1964	97510002.1362305
1965	162899993.89648402
1966	94099998.4741211
1967	50459999.0844727
1968	37560001.373291
1969	89239997.8637695
1970	74059997.55859381
1971	58209999.0844727
1972	26680000.3051758
1973	60529998.779296905
1974	87480003.3569336
1975	97669998.1689453
1976	39779998.779296905
1977	77819999.6948242
1978	189100006.10351598
1979	153300003.05175802
1980	222800003.05175802
1981	284420013.42773396
1982	308029998.779297
1983	184220001.220703
1984	340929992.675781
1985	314589996.33789104
1986	378630004.88281304
1987	408899993.89648396
1988	441540008.544922
1989	659500000
1990	456209991.455078
1991	580390014.648438
1992	640219970.703125
1993	605700012.207031
1994	513750000
1995	524609985.351563
1996	403679992.675781
1997	563760009.765625
1998	520419982.910156
1999	351040008.544922
2000	236580001.831055
2001	463880004.88281304
2002	391940002.441406
2003	339140014.64843804
2004	341260009.765625
2005	237809997.55859402
2006	205830001.831055
2007	222800003.05175802
2008	325079986.57226604
2009	250440002.44140598
2010	232690002.44140598
2011	201880004.882813
2012	649750000
2013	468390014.64843804
2014	568849975.585938
2015	615840026.855469
2016	643219970.703125
2017	524739990.234375
2018	698299987.792969
2019	611650024.414063
2020	769109985.351563
2021	592090026.855469
2022	525710021.972656