Year	constant 2021 US$
1960	102580001.831055
1961	133389999.389648
1962	70599998.4741211
1963	68790000.9155273
1964	135929992.67578098
1965	153500000
1966	100830001.831055
1967	89309997.55859381
1968	79940002.44140631
1969	93760002.1362305
1970	47439998.626709
1971	10680000.3051758
1972	53540000.9155273
1973	61439998.626709
1974	75750000
1975	58709999.0844727
1976	54259998.3215332
1977	117650001.52587901
1978	145339996.33789098
1979	139360000.61035198
1980	123680000.30517599
1981	90029998.7792969
1982	69620002.746582
1983	86559997.55859381
1984	80989997.8637695
1985	62720001.220703095
1986	75589996.3378906
1987	89180000.3051758
1988	73250000
1989	58139999.3896484
1990	90870002.746582
1991	85760002.1362305
1992	85540000.9155273
1993	85760002.1362305
1994	82730003.3569336
1995	78059997.55859381
1996	42419998.1689453
1997	38130001.0681152
1998	50080001.8310547
1999	41340000.1525879
2000	18340000.1525879
2001	47470001.220703095
2002	33349998.4741211
2003	44759998.3215332
2004	25610000.6103516
2005	52590000.1525879
2006	39360000.6103516
2007	54849998.4741211
2008	73279998.7792969
2009	61500000
2010	99419998.1689453
2011	129610000.610352
2012	99330001.8310547
2013	124529998.77929701
2014	92500000
2015	106160003.662109
2016	168259994.506836
2017	164050003.05175802
2018	130020004.272461
2019	75230003.3569336
2020	110519996.64306599
2021	125029998.77929701
2022	94190002.44140631