Year current US$ 2011 71870000.82433227 2012 62709419.8949635 2013 78401923.52479786 2014 76968437.65676022 2015 100996185.6007576 2016 83192532.22271799 2017 97313077.60626076 2018 100223491.90711975 2019 104330062.53093483 2020 71473081.27582075 2021 149152699.74619147 2022 111419969.23089032