Year current US$ 2012 10105496.6934025 2013 12711931.5806776 2014 11191929.8395514 2015 14021179.802715799 2016 12667489.9198115 2017 13491449.8031139 2018 12399543.1810617 2019 16932669.728994403 2020 13469048.1573343 2021 14203899.9311626 2022 11164635.479450228