Year	current US$
1974	9999.99977648258
1975	79999.9982118607
1987	9999.99977648258
1996	29999.999329447703
1997	29999.999329447703
2004	70000.0002980232
2005	70000.0002980232
2006	90000.0035762787
2009	140000.000596046
2010	200000.00298023198
2011	70000.0002980232
2012	200000.00298023198
2013	259999.990463257
2014	170000.00178813902
2015	310000.002384186
2016	250000