Year including construction (constant 2015 US$) 2000 35756400357.781525 2001 36610895348.36873 2002 37754396824.32372 2003 39317338465.58058 2004 40444950794.50233 2005 41895622137.66292 2006 45013025643.067055 2007 46131632487.67487 2008 46604369396.980286 2009 43218938669.44486 2010 44279083168.98043 2011 45563614010.33472 2012 45051174871.227264 2013 45738017028.26336 2014 46339359226.9599 2015 47050383499.78064 2016 48751318789.451904 2017 50144568162.47882 2018 51512378546.13209 2019 53314962801.66233 2020 54110318498.17797 2021 56299614326.28501 2022 60793724267.869415 2023 60732921740.87036