Year current international $ 2011 446172043.3320689 2012 445337049.39662474 2013 470424321.65735984 2014 492827711.36306185 2015 494667288.16305465 2016 504679397.8246023 2017 505627324.5869961 2018 526103672.2642622 2019 557049716.4972836 2020 591102110.8945129 2021 666337268.9261782