Year	constant 2021 US$
1960	41439998.626709
1961	63610000.6103516
1962	58799999.237060495
1963	59040000.9155273
1964	95029998.7792969
1965	101900001.52587901
1966	158179992.67578098
1967	165720001.220703
1968	164039993.28613302
1969	125599998.47412099
1970	107849998.47412099
1971	128570007.324219
1972	181809997.55859402
1973	181899993.89648402
1974	175169998.168945
1975	207869995.117188
1976	189389999.38964802
1977	171729995.727539
1978	221610000.61035198
1979	276640014.64843804
1980	262980010.986328
1981	251259994.506836
1982	270359985.35156304
1983	284049987.792969
1984	291190002.441406
1985	272359985.35156304
1986	238880004.882813
1987	318299987.792969
1988	269540008.544922
1989	291929992.675781
1990	240740005.493164
1991	216190002.44140598
1992	173899993.89648402
1993	209179992.67578098
1994	133279998.779297
1995	126800003.05175799
1996	96190002.44140631
1997	181479995.727539
1998	146820007.32421902
1999	86639999.3896484
2000	47509998.3215332
2001	45500000
2002	57669998.1689453
2003	39389999.3896484
2004	62020000.4577637
2005	61560001.373291
2006	81419998.1689453
2007	120919998.168945
2008	793929992.675781
2009	339910003.66210896
2010	173130004.882813
2011	133770004.272461
2012	81830001.8310547
2013	118889999.38964799
2014	107300003.05175799
2015	74540000.9155273
2016	101169998.168945
2017	112779998.77929701
2018	91940002.44140631
2019	72370002.746582
2020	82459999.0844727
2021	96430000.3051758
2022	88500000