Year	current US$
1997	29999.999329447703
1998	39999.9991059303
1999	19999.9995529652
2005	9999.99977648258
2006	280000.001192093
2007	109999.999403954
2008	140000.000596046
2009	119999.997317791
2010	140000.000596046
2011	140000.000596046
2012	159999.99642372102
2014	9999.99977648258
2018	0