Year current US$ 2012 300429.046154022 2013 462997.97296523995 2014 451350.00348091096 2015 739229.97713089 2016 560119.986534119 2017 562789.976596832 2018 884396.910667419 2019 951349.973678589 2020 857910.692691803 2021 877300.024032593 2022 890882.432460785