Year	current US$
2007	109999.999403954
2008	19999.9995529652
2009	9999.99977648258
2010	29999.999329447703
2011	19999.9995529652
2012	9999.99977648258
2013	9999.99977648258
2014	19999.9995529652
2015	9999.99977648258