Year	constant 2021 US$
1960	5750000
1961	14689999.5803833
1962	25040000.915527303
1963	49900001.5258789
1964	23899999.6185303
1965	37119998.9318848
1966	28180000.3051758
1967	23959999.084472697
1968	45580001.8310547
1969	27440000.5340576
1970	10899999.6185303
1971	23479999.5422363
1972	30690000.5340576
1973	35750000
1974	50450000.762939505
1975	35860000.6103516
1976	46919998.1689453
1977	82739997.8637695
1978	113050003.05175799
1979	96900001.5258789
1980	133539993.286133
1981	182479995.727539
1982	124639999.38964799
1983	109940002.441406
1984	144589996.33789098
1985	133699996.948242
1986	235479995.727539
1987	201419998.168945
1988	155169998.168945
1989	186720001.220703
1990	158839996.33789098
1991	157949996.94824198
1992	161669998.168945
1993	126660003.662109
1994	97459999.0844727
1995	60959999.0844727
1996	50220001.220703095
1997	57930000.3051758
1998	58419998.1689453
1999	49869998.9318848
2000	76360000.6103516
2001	83129997.253418
2002	96110000.6103516
2003	83040000.9155273
2004	76160003.6621094
2005	72989997.8637695
2006	86779998.7792969
2007	99980003.3569336
2008	90739997.8637695
2009	113919998.168945
2010	124980003.35693401
2011	132500000
2012	141570007.32421902
2013	113339996.337891
2014	100480003.35693401
2015	122830001.831055
2016	104379997.253418
2017	319160003.66210896
2018	250649993.89648402
2019	208360000.61035198
2020	319910003.66210896
2021	247899993.89648402
2022	284880004.88281304