Year current US$ 2008 70000.0002980232 2009 219999.998807907 2012 119999.997317791 2013 170000.00178813902 2014 230000.004172325 2015 159999.99642372102 2016 79999.9982118607 2017 129999.995231628 2018 100000.00149011599 2019 119999.997317791 2020 90000.0035762787 2021 90000.0035762787 2022 100000.00149011599