Year current US$ 2005 19999.9995529652 2006 9999.99977648258 2007 90000.0035762787 2010 9999.99977648258 2011 19999.9995529652 2013 70000.0002980232 2014 9999.99977648258 2015 39999.9991059303 2016 0 2018 0 2019 0 2020 29999.999329447703 2021 50000.0007450581 2022 29999.999329447703