Year	Percent Change From Preceding Period
2004-01-01	24.74832420838290
2005-01-01	9.31016983962462
2006-01-01	14.26160185325550
2007-01-01	22.61039840430980
2008-01-01	28.56273329239820
2009-01-01	13.86014491486540
2010-01-01	20.34169150715480
2011-01-01	30.87394300472030
2012-01-01	10.41798898957280
2013-01-01	20.08490530922120
2014-01-01	22.22958327084290
2015-01-01	16.02001143588040
2016-01-01	4.08591262914273
2017-01-01	2.39510387198732