Year	Percent Change From Preceding Period
2004-01-01	19.22710542094290
2005-01-01	18.89559432329180
2006-01-01	11.17426700334690
2007-01-01	14.05861437751340
2008-01-01	9.92946562951178
2009-01-01	10.53599607170050
2010-01-01	12.39552004033640
2011-01-01	9.49000728352418
2012-01-01	16.94154495875920
2013-01-01	14.46297432523870
2014-01-01	16.46108497828680
2015-01-01	13.83388401159540
2016-01-01	8.55076304960474
2017-01-01	5.01862311398087