Year	Percent Change From Preceding Period
2004-01-01	29.520297966343800
2005-01-01	26.388048406294100
2006-01-01	22.501911382211200
2007-01-01	21.973824503724400
2008-01-01	6.608454472567470
2009-01-01	13.081304463275300
2010-01-01	-0.546683289997303
2011-01-01	26.023108680865500
2012-01-01	-1.723193249435490
2013-01-01	20.217662365135900
2014-01-01	9.772230228883490
2015-01-01	4.243612786810910
2016-01-01	11.578786242899300
2017-01-01	3.883063636769130