Year including construction (constant 2010 US$) 2006 1853.99989518105 2007 1758.90859461137 2008 1699.15408039045 2009 1866.50016146501 2010 1890.88826874925 2011 1927.86256913987 2012 2596.37193986975 2013 2761.13944918352 2014 2653.29214402388 2015 2552.50879909282 2016 2532.97203264934 2017 2554.71022991076