Year	constant 2021 US$
1960	283880004.88281304
1961	2111479980.46875
1962	1313569946.28906
1963	1398390014.64844
1964	1632380004.88281
1965	1708619995.11719
1966	2165620117.1875
1967	1097109985.35156
1968	1281089965.82031
1969	765099975.585938
1970	785289978.027344
1971	643500000
1972	509940002.441406
1973	316600006.10351604
1974	577059997.558594
1975	523140014.648438
1976	353500000
1977	224449996.94824198
1978	228800003.05175802
1979	209410003.66210902
1980	181080001.831055
1981	576869995.117188
1982	474329986.57226604
1983	295200012.207031
1984	427079986.57226604
1985	268890014.64843804
1986	313149993.89648396
1987	506010009.765625
1988	357480010.986328
1989	348630004.88281304
1990	250929992.67578098
1991	290940002.441406
1992	-480720001.220703
1993	240610000.61035198
1994	330640014.64843804
1995	298089996.33789104
1996	320750000
1997	313579986.57226604
1998	346829986.57226604
1999	129320007.324219
2000	312500000
2001	385049987.792969
2002	325559997.558594
2003	278149993.89648396
2004	199279998.779297
2005	252970001.220703
2006	122500000
2007	344019989.013672
2008	462950012.207031
2009	402440002.441406
2010	511540008.544922
2011	795080017.089844
2012	1354060058.59375
2013	1040969970.70313
2014	901989990.234375
2015	1166869995.11719
2016	793239990.234375
2017	314109985.35156304
2018	477290008.544922
2019	304959991.455078
2020	647409973.144531
2021	1114540039.0625
2022	602469970.703125