Year	current US$
1968	39999.9991059303
1969	29999.999329447703
1970	39999.9991059303
1971	209999.993443489
1972	150000.005960464
1973	340000.00357627904
1974	140000.000596046
1975	300000.011920929
1976	90000.0035762787
1977	70000.0002980232
1978	129999.995231628
1979	170000.00178813902
1980	250000
1981	180000.00715255702
1982	209999.993443489
1983	289999.99165535
1984	230000.004172325
1985	200000.00298023198
1986	239999.994635582
1987	500000
1988	419999.986886978
1989	389999.98569488496
1990	1250000
1991	4210000.03814697
1992	7519999.98092651
1993	6139999.8664856
1994	3029999.97138977
1995	1139999.98569489
1996	1580000.04291534
1997	409999.99642372096
1998	529999.971389771
1999	529999.971389771
2000	310000.002384186
2001	259999.990463257
2002	3170000.07629395
2003	1830000.04291534
2004	2190000.05722046
2005	2910000.08583069
2006	1879999.99523163
2007	1590000.0333786
2008	1519999.98092651
2009	2529999.97138977
2010	2569999.9332428
2011	7019999.98092651
2012	18840000.1525879
2013	2170000.07629395
2014	2559999.94277954
2015	2500000
2016	1519999.98092651
2017	1070000.05245209
2018	889999.985694885
2019	839999.973773956
2020	579999.983310699
2021	560000.002384186
2022	2529999.97138977