Year Number 2004-01-01 81.8565 2005-01-01 80.3034 2006-01-01 79.3522 2007-01-01 76.0273 2008-01-01 70.3974 2009-01-01 75.7348 2010-01-01 92.3969 2011-01-01 92.2909 2012-01-01 95.3626 2013-01-01 95.3612 2014-01-01 101.2178 2015-01-01 104.9757 2016-01-01 107.7325