Year	current US$
1998	29999.999329447703
2001	300000.011920929
2003	50000.0007450581
2008	270000.010728836
2009	9999.99977648258
2010	29999.999329447703
2011	50000.0007450581
2012	39999.9991059303
2013	19999.9995529652
2014	39999.9991059303
2015	9999.99977648258
2016	9999.99977648258
2017	9999.99977648258