Year current US$ 2013 9999.99977648258 2014 50000.0007450581 2015 100000.00149011599 2016 140000.000596046 2017 140000.000596046 2018 259999.990463257 2019 439999.997615814 2020 620000.004768372 2021 759999.990463257 2022 1159999.9666214