Year current US$ 2009 19999.9995529652 2010 9999.99977648258 2011 19999.9995529652 2012 29999.999329447703 2013 9999.99977648258 2014 9999.99977648258 2015 19999.9995529652 2016 9999.99977648258 2017 29999.999329447703 2018 39999.9991059303 2019 150000.005960464 2020 90000.0035762787 2021 180000.00715255702 2022 129999.995231628