Year current US$ 2008 439999.997615814 2009 70000.0002980232 2010 29999.999329447703 2011 9999.99977648258 2012 19999.9995529652 2013 9999.99977648258 2014 9999.99977648258 2015 9999.99977648258 2017 0 2018 0 2019 9999.99977648258 2020 19999.9995529652