Year	current US$
1991	39999.9991059303
1992	29999.999329447703
1993	19999.9995529652
1994	29999.999329447703
1995	29999.999329447703
1996	19999.9995529652
1997	19999.9995529652
1998	19999.9995529652
2002	150000.005960464
2003	50000.0007450581
2004	9999.99977648258
2005	59999.9986588955
2006	59999.9986588955
2007	150000.005960464
2010	19999.9995529652
2011	9999.99977648258
2012	159999.99642372102
2013	109999.999403954
2014	180000.00715255702
2015	109999.999403954
2016	140000.000596046
2017	39999.9991059303
2018	109999.999403954
2019	109999.999403954
2021	250000