Year including construction (constant 2015 US$) 2008 6964724368.15687 2009 7235350773.116808 2010 6945686056.266092 2011 6414364739.785646 2012 6322630226.102191 2013 8145789698.498152 2014 8512514498.317657 2015 9218692760.033987 2016 9691895302.281384 2017 10566666779.654959 2018 11540979476.187565 2019 14116806923.532831 2020 13548094670.143015 2021 14257134528.823215 2022 15298789173.31572 2023 16684234570.067663