Year	current US$
1960	29999.999329447703
1961	419999.986886978
1962	1139999.98569489
1963	1980000.01907349
1964	16790000.915527303
1965	15779999.7329712
1966	15659999.8474121
1967	20569999.6948242
1968	17290000.915527303
1969	19809999.4659424
1970	14380000.1144409
1971	15550000.1907349
1972	25649999.6185303
1973	25600000.3814697
1974	36580001.8310547
1975	54750000
1976	38689998.626709
1977	44889999.3896484
1978	50950000.762939505
1979	83360000.6103516
1980	110120002.746582
1981	101199996.94824201
1982	89459999.0844727
1983	92360000.6103516
1984	131690002.441406
1985	103849998.47412099
1986	135139999.38964802
1987	180009994.506836
1988	204690002.44140598
1989	188759994.506836
1990	248889999.38964802
1991	173440002.44140598
1992	177649993.89648402
1993	171740005.493164
1994	167559997.55859402
1995	167779998.779297
1996	169130004.882813
1997	91550003.0517578
1998	120620002.746582
1999	118760002.13623
2000	75900001.5258789
2001	76209999.0844727
2002	60009998.3215332
2003	51500000
2004	110059997.558594
2005	88970001.2207031
2006	133589996.337891
2007	179270004.272461
2008	245649993.89648402
2009	212360000.61035198
2010	260980010.986328
2011	268769989.013672
2012	228020004.272461
2013	202820007.32421902
2014	611000000
2015	486920013.42773396
2016	506760009.765625
2017	511980010.986328
2018	641049987.792969
2019	676419982.910156
2020	832700012.207031
2021	659270019.53125
2022	683059997.558594