Year	current US$
1972	230000.004172325
1973	409999.99642372096
1974	270000.010728836
1975	119999.997317791
1977	50000.0007450581
1978	19999.9995529652
1979	59999.9986588955
1983	19999.9995529652
1984	19999.9995529652
1985	50000.0007450581
1990	9999.99977648258
1991	349999.99403953605
1992	39999.9991059303
1993	109999.999403954
1994	180000.00715255702
1995	750000
1996	1070000.05245209
1997	1299999.95231628
1998	1450000.04768372
1999	1450000.04768372
2000	1129999.99523163
2001	1440000.0572204601
2002	1759999.9904632599
2003	2230000.01907349
2004	2990000.00953674
2005	3829999.92370605
2006	3339999.91416931
2007	6420000.07629395
2008	4119999.88555908
2009	3789999.96185303
2010	4070000.1716613797
2011	2880000.1144409203
2012	3700000.04768372
2013	3440000.05722046
2014	5900000.09536743
2015	5750000
2016	4800000.19073486
2017	4760000.228881841
2018	5900000.09536743
2019	7349999.90463257
2020	8850000.38146973
2021	8689999.5803833
2022	3240000.00953674