Year	Percent Change From Preceding Period
2004-01-01	15.14079991235930
2005-01-01	18.83575192264470
2006-01-01	6.26552887771201
2007-01-01	12.53348942160880
2008-01-01	30.73236383764280
2009-01-01	3.97198962308555
2010-01-01	15.30938386157540
2011-01-01	17.88722208220880
2012-01-01	9.91871689080659
2013-01-01	11.61800064823680
2014-01-01	8.59079924747747
2015-01-01	7.45669965458767
2016-01-01	9.31345849046258
2017-01-01	15.30579539489400