Year	constant 2021 US$
1960	3392010009.76563
1961	4055770019.53125
1962	3430080078.125
1963	2310439941.40625
1964	1782130004.88281
1965	1132750000
1966	938400024.414063
1967	793039978.027344
1968	851419982.910156
1969	911359985.351563
1970	853090026.855469
1971	814140014.648438
1972	631500000
1973	604890014.648438
1974	576330017.089844
1975	893880004.882813
1976	530820007.324219
1977	432119995.11718804
1978	544400024.414063
1979	270529998.779297
1980	477029998.779297
1981	468850006.10351604
1982	405100006.10351604
1983	266190002.441406
1984	393329986.57226604
1985	558349975.585938
1986	387619995.11718804
1987	411079986.57226604
1988	311929992.675781
1989	295950012.207031
1990	499529998.779297
1991	310779998.779297
1992	517130004.882813
1993	488209991.455078
1994	441369995.11718804
1995	387890014.64843804
1996	404700012.207031
1997	367230010.986328
1998	632390014.648438
1999	212740005.493164
2000	336059997.558594
2001	350190002.441406
2002	306239990.234375
2003	323529998.779297
2004	382559997.558594
2005	409440002.441406
2006	271690002.441406
2007	403190002.441406
2008	309769989.013672
2009	289829986.57226604
2010	205490005.493164
2011	189639999.38964802
2012	152899993.89648402
2013	205179992.67578098
2014	157050003.05175802
2015	80559997.55859381
2016	164979995.727539
2017	195089996.33789098
2018	153720001.220703
2019	189529998.779297
2020	222000000
2021	214449996.94824198
2022	232929992.67578098