Year	current US$
1968	1480000.01907349
1969	1620000.00476837
1970	2509999.99046326
1971	2839999.91416931
1972	3390000.10490417
1973	3269999.98092651
1974	2880000.1144409203
1975	3670000.07629395
1976	1549999.95231628
1977	1370000.00476837
1978	2539999.96185303
1979	3829999.92370605
1980	3890000.10490417
1981	3150000.09536743
1982	2430000.0667572
1983	2339999.91416931
1984	2410000.08583069
1985	1919999.95708466
1986	1350000.02384186
1987	2019999.9809265102
1988	3529999.97138977
1989	2250000
1990	1830000.04291534
1991	2950000.04768372
1992	889999.985694885
1993	1110000.01430511
1994	1000000
1995	949999.988079071
1996	779999.971389771
1997	750000
1998	460000.00834465
1999	300000.011920929
2000	349999.99403953605
2001	370000.00476837205
2002	360000.01430511504
2003	370000.00476837205
2004	189999.99761581398
2005	589999.973773956
2006	529999.971389771
2007	899999.976158142
2008	649999.976158142
2009	490000.009536743
2010	490000.009536743
2011	419999.986886978
2012	492522.865533829
2013	555819.988250732
2014	476109.683513641
2015	248205.915093422
2016	319199.442863464
2017	244146.630167961
2018	63893.4671878815
2019	221453.204751015
2020	323700.457811356
2021	478321.850299835
2022	325335.86025237996