Year	constant 2021 US$
1960	37360000.6103516
1961	50020000.4577637
1962	40970001.220703095
1963	50169998.1689453
1964	83080001.8310547
1965	75879997.253418
1966	62819999.6948242
1967	54939998.626709
1968	100629997.253418
1969	70440002.44140631
1970	81919998.1689453
1971	65849998.474121094
1972	86980003.3569336
1973	67510002.1362305
1974	86940002.44140631
1975	151350006.10351598
1976	114080001.831055
1977	116510002.13623
1978	157139999.38964802
1979	201639999.38964802
1980	223970001.220703
1981	230880004.882813
1982	316130004.88281304
1983	370549987.792969
1984	539109985.351563
1985	559390014.648438
1986	559570007.324219
1987	490329986.57226604
1988	534289978.027344
1989	442320007.324219
1990	686059997.558594
1991	483049987.792969
1992	469739990.234375
1993	435109985.35156304
1994	367320007.324219
1995	477899993.89648396
1996	305470001.220703
1997	395420013.42773396
1998	428230010.986328
1999	1110310058.59375
2000	616630004.882813
2001	868520019.53125
2002	554630004.882813
2003	428890014.64843804
2004	674099975.585938
2005	766460021.972656
2006	596739990.234375
2007	392239990.234375
2008	424829986.57226604
2009	400320007.324219
2010	507859985.35156304
2011	363799987.792969
2012	584760009.765625
2013	645500000
2014	624890014.648438
2015	614750000
2016	469339996.33789104
2017	491190002.441406
2018	712309997.558594
2019	488440002.441406
2020	1256500000
2021	617309997.558594
2022	817440002.441406