Year current US$ 2005 19999.9995529652 2006 29999.999329447703 2007 109999.999403954 2008 29999.999329447703 2009 29999.999329447703 2010 29999.999329447703 2011 39999.9991059303 2012 50000.0007450581 2013 9999.99977648258 2014 9999.99977648258 2015 839999.973773956 2016 330000.013113022 2017 189999.99761581398 2018 19999.9995529652 2019 29999.999329447703 2022 189999.99761581398