Year	current US$
1975	70000.0002980232
1976	29999.999329447703
1977	9999.99977648258
1979	9999.99977648258
1984	19999.9995529652
1986	19999.9995529652
1987	29999.999329447703
1988	9999.99977648258
1989	59999.9986588955
1990	70000.0002980232
1991	59999.9986588955
1992	59999.9986588955
2004	70000.0002980232
2005	39999.9991059303
2006	50000.0007450581
2007	300000.011920929
2008	259999.990463257
2009	300000.011920929
2010	189999.99761581398
2011	370000.00476837205
2012	469999.998807907
2013	560000.002384186
2014	439999.997615814
2015	490000.009536743
2016	230000.004172325
2017	150000.005960464
2020	29999.999329447703
2021	860000.014305115
2022	790000.021457672