Year current US$ 2011 1190000.0572204601 2012 962069.869041443 2013 1324437.0222091698 2014 1018745.42236328 2015 1798977.01740265 2016 1179098.24848175 2017 1258981.34708405 2018 1409457.20672607 2019 1223943.35269928 2020 1191183.32862854 2021 2680599.92790222 2022 1994178.05671692