Year	current US$
1960	6699999.80926514
1961	11770000.4577637
1962	13409999.8474121
1963	16229999.5422363
1964	19000000
1965	20920000.0762939
1966	25409999.8474121
1967	27209999.084472697
1968	22569999.6948242
1969	17590000.1525879
1970	19100000.3814697
1971	21739999.7711182
1972	19159999.8474121
1973	29459999.084472697
1974	28139999.3896484
1975	38849998.4741211
1976	45419998.1689453
1977	32389999.3896484
1978	31180000.3051758
1979	58130001.0681152
1980	33040000.915527303
1981	34159999.8474121
1982	40020000.4577637
1983	48459999.0844727
1984	68349998.4741211
1985	79129997.253418
1986	95980003.3569336
1987	191759994.506836
1988	149679992.67578098
1989	140000000
1990	144699996.94824198
1991	197779998.779297
1992	221320007.32421902
1993	185710006.71386698
1994	192029998.779297
1995	187619995.117188
1996	238429992.67578098
1997	158100006.10351598
1998	181059997.55859402
1999	153130004.882813
2000	155169998.168945
2001	171250000
2002	233520004.272461
2003	202830001.831055
2004	184350006.10351598
2005	257799987.792969
2006	213869995.117188
2007	231179992.67578098
2008	249550003.05175802
2009	224690002.44140598
2010	168529998.779297
2011	181300003.05175802
2012	148059997.55859402
2013	150520004.272461
2014	165050003.05175802
2015	318160003.66210896
2016	243710006.71386698
2017	211110000.61035198
2018	404079986.57226604
2019	506850006.10351604
2020	343750000
2021	300779998.779297
2022	376179992.675781