Year current US$ 2010 820211481.6927314 2011 1188922780.4225252 2012 1046932601.4107958 2013 1292080494.2873175 2014 971989894.8773522 2015 845001058.4792283 2016 917467642.6535146 2017 1328876224.978927 2018 1163513821.398223 2019 1548170444.816373 2020 1116411658.8505948 2021 1788817160.8032403 2022 1973136301.535931 2023 1766001862.085365