Year	Percent Change From Preceding Period
2004-01-01	-3.188573360615120
2005-01-01	-6.777638091631150
2006-01-01	0.388004824776087
2007-01-01	-8.878204023905580
2008-01-01	1.285630711666980
2009-01-01	2.725843771866050
2010-01-01	3.285152548922020
2011-01-01	3.589335099809340
2012-01-01	3.744587233662120
2013-01-01	3.348158657344360
2014-01-01	3.195735104957450
2015-01-01	3.064124929496100
2016-01-01	2.480615625789630
2017-01-01	1.798061573096470
2018-01-01	2.137388445006830
2019-01-01	2.430886687664830