Year	current US$
1970	9999.99977648258
1971	9999.99977648258
1973	189999.99761581398
1975	200000.00298023198
1976	289999.99165535
1977	300000.011920929
1978	250000
1979	460000.00834465
1980	689999.997615814
1981	779999.971389771
1982	879999.995231628
1983	1230000.01907349
1984	829999.983310699
1985	1870000.00476837
1986	1919999.95708466
1987	2369999.8855590797
1988	5760000.228881841
1989	5039999.96185303
1990	3420000.07629395
1991	4820000.17166138
1992	3940000.05722046
1993	3829999.92370605
1994	4969999.79019165
1995	9039999.96185303
1996	4699999.80926514
1997	4690000.05722046
1998	4789999.96185303
1999	4820000.17166138
2000	3400000.09536743
2001	3789999.96185303
2002	4489999.771118159
2003	5739999.771118159
2004	5349999.90463257
2005	5170000.07629395
2006	5829999.92370605
2007	5369999.88555908
2008	3150000.09536743
2009	4809999.94277954
2010	2309999.94277954
2011	4389999.8664856
2012	4360000.1335144
2013	7599999.90463257
2014	5739999.771118159
2015	4110000.1335143996
2016	2690000.05722046
2017	1190000.0572204601
2018	1419999.95708466
2019	790000.021457672
2020	1100000.02384186
2021	209999.993443489
2022	579999.983310699