Year	current US$
1970	250000
1971	140000.000596046
1972	200000.00298023198
1973	200000.00298023198
1974	159999.99642372102
1975	119999.997317791
1976	159999.99642372102
1977	50000.0007450581
1978	180000.00715255702
1979	79999.9982118607
1980	200000.00298023198
1981	129999.995231628
1982	59999.9986588955
1983	79999.9982118607
1984	50000.0007450581
1985	29999.999329447703
1986	39999.9991059303
1987	119999.997317791
1989	19999.9995529652
1992	779999.971389771
1993	740000.009536743
1994	829999.983310699
1995	750000
1996	910000.026226044
1997	639999.985694885
1998	920000.016689301
1999	639999.985694885
2000	730000.019073486
2001	610000.014305115
2002	629999.995231628
2003	579999.983310699
2004	550000.011920929
2005	500000
2006	400000.00596046395
2007	419999.986886978
2008	439999.997615814
2009	730000.019073486
2010	870000.004768372
2011	920000.016689301
2012	567469.894886017
2013	1150496.7212677
2014	823324.0246772771
2015	771332.323551178
2016	929408.669471741
2017	874000.012874603
2018	858166.098594666
2019	1179999.94754791
2020	995000.004768372
2021	866999.983787537
2022	806999.9814033511