Year including construction (constant 2015 US$) 2010 477752400.3412416 2011 409246299.25911427 2012 371008589.9566109 2013 357249187.3618292 2014 344534565.1095734 2015 341004000 2016 343694152.9777612 2017 358067702.89963645 2018 386395639.3724335 2019 446843793.86070865 2020 372815580.3095025 2021 373198249.35711426 2022 393971860.8981748