Year	current US$
1966	29999.999329447703
1967	39999.9991059303
1968	50000.0007450581
1969	59999.9986588955
1970	150000.005960464
1971	219999.998807907
1972	370000.00476837205
1973	439999.997615814
1974	740000.009536743
1975	1139999.98569489
1976	1019999.98092651
1977	1000000
1978	500000
1979	349999.99403953605
1980	140000.000596046
1981	280000.001192093
1982	750000
1983	579999.983310699
1984	1070000.05245209
1985	1679999.94754791
1986	3390000.10490417
1987	2650000.09536743
1988	3700000.04768372
1989	5030000.20980835
1990	7269999.98092651
1991	7869999.88555908
1992	2559999.94277954
1993	3309999.94277954
1994	1940000.0572204601
1995	769999.980926514
1996	3619999.8855590797
1997	3849999.90463257
1998	1690000.0572204601
1999	1269999.98092651
2000	1279999.97138977
2001	879999.995231628
2002	920000.016689301
2003	1230000.01907349
2004	1740000.0095367401
2005	2549999.95231628
2006	1340000.0333786
2007	1659999.9666214
2008	649999.976158142
2009	980000.019073486
2010	70000.0002980232
2011	1580000.04291534
2012	50000.0007450581
2013	70000.0002980232
2014	159999.99642372102
2015	109999.999403954
2016	50000.0007450581
2017	289999.99165535
2018	259999.990463257
2019	430000.00715255697
2020	409999.99642372096
2021	330000.013113022
2022	310000.002384186