Year current US$ 2006 29999.999329447703 2007 29999.999329447703 2008 9999.99977648258 2009 50000.0007450581 2010 119999.997317791 2011 59999.9986588955 2012 39999.9991059303 2014 9999.99977648258 2018 9999.99977648258 2019 0