Year	constant 2021 US$
1960	1639999.98569489
1961	13750000
1962	40200000.762939505
1963	36599998.4741211
1964	122349998.47412099
1965	134770004.272461
1966	128630004.882813
1967	137520004.272461
1968	158440002.44140598
1969	162649993.89648402
1970	156080001.831055
1971	189509994.506836
1972	200160003.66210902
1973	295029998.779297
1974	454410003.66210896
1975	346630004.88281304
1976	304010009.765625
1977	393170013.42773396
1978	484059997.558594
1979	532409973.144531
1980	511640014.64843804
1981	571510009.765625
1982	578440002.441406
1983	499149993.89648396
1984	517700012.207031
1985	518859985.351563
1986	613049987.792969
1987	516760009.765625
1988	529780029.296875
1989	498399993.89648396
1990	523469970.703125
1991	666130004.882813
1992	637869995.117188
1993	720469970.703125
1994	640830017.089844
1995	646659973.144531
1996	565400024.414063
1997	558679992.675781
1998	605650024.414063
1999	603669982.910156
2000	330059997.558594
2001	659729980.46875
2002	714340026.855469
2003	743729980.46875
2004	808200012.207031
2005	850820007.324219
2006	1061339965.82031
2007	828669982.910156
2008	824489990.234375
2009	894710021.972656
2010	1101989990.23438
2011	972979980.46875
2012	1194140014.64844
2013	1074109985.35156
2014	1156750000
2015	1143760009.76563
2016	1177280029.29688
2017	1000460021.97266
2018	1274310058.59375
2019	1216619995.11719
2020	1838119995.11719
2021	1610540039.0625
2022	1446619995.11719