Year current US$ 2012 147035.554051399 2013 213111.698627472 2014 128989.994525909 2015 98839.9982452393 2016 247350.007295609 2017 250669.986009598 2018 461409.538984299 2019 691150.0096321111 2020 666938.0068778989 2021 275499.999523163 2022 633437.097072601