Year including construction (constant 2010 US$) 2005 9554.94407488426 2006 10540.8004305701 2007 11085.9061594063 2008 11278.2550019455 2009 10892.2758753093 2010 11629.6327004847 2011 11859.934205476 2012 11896.9906073867 2013 12548.0258477868 2014 13130.4432530294 2015 13935.9502391932 2016 14298.7712931827 2017 14207.4848171028 2018 14732.1010427932