Year constant 2015 US$ 2013 1235567107.6962838 2014 1350844608.1871383 2015 1492710484.4109588 2016 1661573989.331942 2017 1837593168.6659138 2018 1845560091.7339714 2019 1962362478.39254 2020 2163059113.754358 2021 2370530326.8965225 2022 2349004947.5542946