Year Number 2007-01-01 658.5142 2008-01-01 636.2290 2009-01-01 690.3602 2010-01-01 705.9021 2011-01-01 740.4388 2012-01-01 775.6935 2013-01-01 824.1342 2014-01-01 844.9358 2015-01-01 923.6074 2016-01-01 958.8939