Year current US$ 2012 1002750.0391006501 2013 1992778.4204483 2014 4430962.08572388 2015 2449724.4358062698 2016 283118.9930439 2017 2390984.05838013 2018 5445502.75802612 2019 3286591.52984619 2020 2975820.06454468 2021 5384419.9180603 2022 3773800.37307739