Year including construction (constant 2010 US$) 2006 38293.4662330307 2007 41414.3857140367 2008 41267.3859387478 2009 46326.7948489837 2010 48082.8992170509 2011 43918.9271802712 2012 40707.5935455977 2013 41037.7213306952 2014 52042.5754708785