Year	current US$
1960	27290000.915527303
1961	25170000.0762939
1962	22159999.8474121
1963	23750000
1964	12710000.038146999
1965	9729999.54223633
1966	11680000.3051758
1967	13939999.5803833
1968	10229999.5422363
1969	12699999.8092651
1970	18829999.9237061
1971	40240001.6784668
1972	67150001.5258789
1973	145679992.67578098
1974	307660003.66210896
1975	81239997.8637695
1976	720000.028610229
1977	300000.011920929
1978	270000.010728836
1979	107989997.86377
1980	268670013.42773396
1981	112449996.94824201
1982	35889999.3896484
1983	39029998.779296905
1984	21809999.4659424
1985	13840000.1525879
1986	15310000.4196167
1987	16620000.839233398
1988	20270000.4577637
1989	24719999.3133545
1990	41310001.373291
1991	89709999.0844727
1992	194520004.272461
1993	294529998.779297
1994	296989990.234375
1995	505579986.57226604
1996	384470001.220703
1997	324700012.207031
1998	308339996.33789104
1999	251289993.28613302
2000	345559997.558594
2001	367000000
2002	407290008.544922
2003	443160003.66210896
2004	407019989.013672
2005	452899993.89648396
2006	476350006.10351604
2007	583539978.027344
2008	579250000
2009	608309997.558594
2010	681039978.027344
2011	691950012.207031
2012	807690002.441406
2013	808210021.972656
2014	802679992.675781
2015	679039978.027344
2016	728450012.207031
2017	856260009.765625
2018	783400024.414063
2019	966440002.441406
2020	1373729980.46875
2021	1367050048.82813
2022	1546939941.40625