Year Number 2004-01-01 84.1238 2005-01-01 84.6733 2006-01-01 83.5625 2007-01-01 79.9447 2008-01-01 73.7453 2009-01-01 78.7875 2010-01-01 95.6088 2011-01-01 95.0972 2012-01-01 98.2018 2013-01-01 98.4518 2014-01-01 104.4351 2015-01-01 108.1709 2016-01-01 110.5724