Year current US$ 2012 -9999.99977648258 2013 230000.004172325 2014 189999.99761581398 2015 50000.0007450581 2016 140000.000596046 2017 0 2018 59999.9986588955 2019 79999.9982118607 2020 159999.99642372102 2021 79999.9982118607 2022 119999.997317791