Year current US$ 2012 73722.0942974091 2013 77271.0740566254 2014 76909.9965691566 2015 88880.0024986267 2016 91380.0001144409 2017 118289.99966382999 2018 243358.52265358 2019 451160.01367569 2020 310696.870088577 2021 126300.00710487399 2022 702742.874622345