Year	constant 2021 US$
1960	114480003.35693401
1961	105139999.38964799
1962	67550003.0517578
1963	70339996.3378906
1964	81059997.55859381
1965	97269996.6430664
1966	66309997.55859381
1967	94099998.4741211
1968	98150001.5258789
1969	76059997.55859381
1970	83900001.5258789
1971	64860000.61035161
1972	97879997.253418
1973	87639999.3896484
1974	97019996.6430664
1975	119589996.337891
1976	191139999.38964802
1977	148440002.44140598
1978	101010002.13623
1979	118540000.915527
1980	109309997.558594
1981	101589996.337891
1982	113389999.38964799
1983	141559997.55859402
1984	121470001.22070299
1985	183789993.28613302
1986	265480010.986328
1987	482630004.88281304
1988	410200012.207031
1989	455570007.324219
1990	321269989.013672
1991	312880004.88281304
1992	321250000
1993	332350006.10351604
1994	282029998.779297
1995	270089996.33789104
1996	234759994.506836
1997	374410003.66210896
1998	346140014.64843804
1999	404440002.441406
2000	381549987.792969
2001	356049987.792969
2002	393920013.42773396
2003	351529998.779297
2004	293160003.66210896
2005	324510009.765625
2006	574679992.675781
2007	483390014.64843804
2008	529770019.53125
2009	397290008.544922
2010	423450012.207031
2011	360799987.792969
2012	320670013.42773396
2013	514000000
2014	294790008.544922
2015	468619995.11718804
2016	303230010.986328
2017	408019989.013672
2018	429170013.42773396
2019	420380004.88281304
2020	500660003.66210896
2021	512549987.792969
2022	437029998.779297