Year	Percent Change From Preceding Period
2004-01-01	34.63632882292990
2005-01-01	20.60799787910470
2006-01-01	41.67335915949140
2007-01-01	39.19518775855190
2008-01-01	44.13300003254250
2009-01-01	31.47890106150400
2010-01-01	40.09476292921270
2011-01-01	32.36432282582170
2012-01-01	11.21819033397130
2013-01-01	27.19329455285080
2014-01-01	5.59914798107773
2015-01-01	8.10028047639526
2016-01-01	2.33482817305819
2017-01-01	14.72593791563250