Year National currency per current international dollar 2011 1.465 2012 1.945 2013 1.96 2014 1.889 2015 1.875 2016 6.924 2017 17.372 2018 28.567 2019 32.194 2020 35.539 2021 37.616 2022 39.562 2023 41.174 2024 42.813