Year current US$ 2012 960396.2674736984 2013 1598587.4980688088 2014 1394170.0085997581 2015 1190299.998968841 2016 1004100.0023484231 2017 1609569.996595382 2018 1005235.231481492 2019 1894899.9785352484 2020 1878464.7267311767 2021 1751499.9676495797 2022 1263566.4641857157