Year Percent 2004-01-01 125.0700 2005-01-01 156.2480 2006-01-01 124.0100 2007-01-01 112.6670 2008-01-01 77.7698 2009-01-01 81.9182 2010-01-01 84.2866 2011-01-01 73.6399 2012-01-01 66.1771 2013-01-01 75.7022 2014-01-01 82.6525 2015-01-01 99.9459 2016-01-01 98.1252