Year	constant 2021 US$
1960	1539999.96185303
1961	1250000
1962	154509994.506836
1963	328230010.986328
1964	160419998.168945
1965	528770019.53125
1966	341410003.66210896
1967	370890014.64843804
1968	263019989.013672
1969	201050003.05175802
1970	196800003.05175802
1971	130190002.441406
1972	124699996.94824201
1973	93949996.9482422
1974	71610000.6103516
1975	80300003.0517578
1976	91260002.1362305
1977	53069999.6948242
1978	63229999.5422363
1979	134630004.882813
1980	185029998.779297
1981	163320007.32421902
1982	243089996.33789098
1983	152940002.44140598
1984	342600006.10351604
1985	378529998.779297
1986	148690002.44140598
1987	219479995.727539
1988	193940002.44140598
1989	234429992.67578098
1990	145350006.10351598
1991	117889999.38964799
1992	109400001.52587901
1993	-16309999.465942401
1994	83599998.4741211
1995	109599998.47412099
1996	105129997.253418
1997	88769996.6430664
1998	157690002.44140598
1999	265299987.792969
2000	85480003.3569336
2001	169570007.32421902
2002	233289993.28613302
2003	105849998.47412099
2004	121580001.831055
2005	116519996.64306599
2006	102050003.05175799
2007	156240005.493164
2008	182669998.168945
2009	145660003.66210902
2010	206300003.05175802
2011	240229995.727539
2012	277279998.779297
2013	152479995.727539
2014	168979995.727539
2015	320079986.57226604
2016	201360000.61035198
2017	130699996.948242
2018	95949996.9482422
2019	141410003.66210902
2020	393579986.57226604
2021	448420013.42773396
2022	408880004.88281304
