Year	Percent Change From Preceding Period
2004-01-01	23.62106700696930
2005-01-01	8.74633866698728
2006-01-01	20.68137080925530
2007-01-01	25.77726826507610
2008-01-01	26.64074654489830
2009-01-01	10.30908612944660
2010-01-01	11.18894603636720
2011-01-01	21.94513070634490
2012-01-01	21.58875930713920
2013-01-01	13.83378831567310
2014-01-01	13.73969297793620
2015-01-01	9.03262396647266
2016-01-01	8.95176817511192
2017-01-01	5.26001555830861