Year including construction (constant 2010 US$) 2002 3508.11305073198 2003 3532.29453386942 2004 3539.90095968081 2005 3581.9882717233 2006 3497.879261611 2007 3507.88450411326 2008 3868.54823091304 2009 3863.90942165131 2010 3975.98553225738 2011 3911.50881913211 2012 3518.86723876615 2013 3659.35445777753 2014 3694.36321165662 2015 3476.50421372216 2016 3414.96730288793 2017 3505.28848142551 2018 3303.10217437215