Year current US$ 2011 920000.016689301 2012 976286.113262177 2013 1397374.62997437 2014 1520558.47644806 2015 2180572.7481842 2016 1137188.55381012 2017 1580409.52682495 2018 1265950.3221511801 2019 1314316.0343170199 2020 866445.422172546 2021 2382400.0358581496 2022 2154569.86427307