Year including construction (constant 2010 US$) 2003 9400.21172758233 2004 10159.4017047802 2005 10802.7280858439 2006 12580.644292183 2007 12504.2354785663 2008 12550.7895300514 2009 12066.3269418883 2010 12584.5437150447 2011 13378.415089479 2012 14196.4590513821 2013 14416.5287972338 2014 14261.2919266185 2015 14208.8497214331 2016 14893.3942943189 2017 14799.0264598359 2018 14918.685140649