Year Number 2005-01-01 676.9204 2006-01-01 673.7265 2007-01-01 667.3871 2008-01-01 668.8886 2009-01-01 747.3189 2010-01-01 743.5141 2011-01-01 670.8601 2012-01-01 621.8071 2013-01-01 632.7279 2014-01-01 867.4825 2015-01-01 735.3650 2016-01-01 701.2300