Year including construction (constant 2010 US$) 2008 581188195.302843 2009 597340852.904821 2010 618581582.200247 2011 642394932.014833 2012 604318603.213844 2013 623598578.491965 2014 597710135.970334 2015 623858158.220025 2016 619494746.600742