Year current US$ 2014 19999.9995529652 2015 100000.00149011599 2016 159999.99642372102 2017 200000.00298023198 2018 200000.00298023198 2019 200000.00298023198 2020 330000.013113022 2021 50000.0007450581 2022 90000.0035762787