Year current US$ 2012 619244.933128357 2013 887198.984622955 2014 718230.009078979 2015 924749.970436096 2016 1158229.94709015 2017 1609320.04451752 2018 1003370.7618713399 2019 1456449.98550415 2020 1265913.24806213 2021 2026799.9172210698 2022 1061253.7860870399