Year	constant 2021 US$
1960	189999.99761581398
1961	11369999.8855591
1962	29920000.0762939
1963	34409999.8474121
1964	139910003.66210902
1965	135460006.71386698
1966	111330001.831055
1967	119610000.61035201
1968	96459999.0844727
1969	91129997.253418
1970	107889999.38964799
1971	194529998.779297
1972	118139999.38964799
1973	136550003.05175802
1974	152630004.882813
1975	213830001.831055
1976	200729995.727539
1977	174729995.727539
1978	189889999.38964802
1979	232779998.779297
1980	217850006.10351598
1981	215880004.882813
1982	219320007.32421902
1983	238000000
1984	220949996.94824198
1985	275570007.324219
1986	304529998.779297
1987	255399993.89648402
1988	285140014.64843804
1989	490809997.558594
1990	427540008.544922
1991	413290008.544922
1992	421100006.10351604
1993	429260009.765625
1994	368329986.57226604
1995	364260009.765625
1996	373609985.35156304
1997	328130004.88281304
1998	297059997.558594
1999	317019989.013672
2000	408609985.35156304
2001	470450012.207031
2002	357070007.324219
2003	413519989.013672
2004	487160003.66210896
2005	425149993.89648396
2006	473670013.42773396
2007	447720001.220703
2008	548549987.792969
2009	611320007.324219
2010	738200012.207031
2011	703190002.441406
2012	528869995.117188
2013	670340026.855469
2014	610760009.765625
2015	500149993.89648396
2016	573070007.324219
2017	759820007.324219
2018	615510009.765625
2019	647039978.027344
2020	1112910034.17969
2021	849979980.46875
2022	873530029.296875