Year	constant 2021 US$
1960	30440000.5340576
1961	50279998.779296905
1962	64519996.643066406
1963	57069999.6948242
1964	80069999.6948242
1965	102379997.253418
1966	83930000.3051758
1967	84360000.6103516
1968	73730003.3569336
1969	81690002.44140631
1970	70330001.8310547
1971	79779998.7792969
1972	83230003.3569336
1973	79029998.7792969
1974	73550003.0517578
1975	86540000.9155273
1976	54090000.1525879
1977	60040000.9155273
1978	93379997.253418
1979	78860000.6103516
1980	59659999.8474121
1981	81459999.0844727
1982	162880004.882813
1983	531690002.441406
1984	471559997.558594
1985	595630004.882813
1986	397299987.792969
1987	460519989.013672
1988	351950012.207031
1989	426429992.675781
1990	367149993.89648396
1991	278589996.33789104
1992	211330001.831055
1993	179039993.28613302
1994	122360000.61035201
1995	63819999.6948242
1996	-330000.013113022
1997	11470000.2670288
1998	47549999.237060495
1999	10800000.1907349
2000	53909999.8474121
2001	35689998.626709
2002	28920000.0762939
2003	53099998.4741211
2004	34490001.6784668
2005	38240001.6784668
2006	35580001.8310547
2007	68059997.55859381
2008	76529998.7792969
2009	105279998.77929701
2010	92139999.3896484
2011	36700000.762939505
2012	32849998.4741211
2013	33500000
2014	55619998.9318848
2015	126870002.746582
2016	112260002.13623
2017	107559997.558594
2018	104500000
2019	58970001.220703095
2020	219759994.506836
2021	79309997.55859381
2022	665599975.585938