Year	Percent Change From Preceding Period
2004-01-01	17.21478253845210
2005-01-01	7.62416900081806
2006-01-01	1.56612366947847
2007-01-01	34.46599205118810
2008-01-01	48.47579611869830
2009-01-01	-9.20211024072995
2010-01-01	23.59099216604380
2011-01-01	5.21118681746371
2012-01-01	8.48647735157015
2013-01-01	4.47429658831192
2014-01-01	26.22526390273900
2015-01-01	7.81825439967709
2016-01-01	10.29566180568590
2017-01-01	17.76451275014510