Year current US$ 2009 39999.9991059303 2011 29999.999329447703 2012 850000.023841858 2013 829999.983310699 2014 19999.9995529652 2015 9999.99977648258 2016 59999.9986588955 2017 70000.0002980232 2018 70000.0002980232 2019 9999.99977648258 2020 9999.99977648258 2021 1019999.98092651 2022 9999.99977648258