Year	Percent Change From Preceding Period
2004-01-01	-0.978665336130665
2005-01-01	-4.666299378949860
2006-01-01	2.650132096663400
2007-01-01	-1.175120388966860
2008-01-01	4.062252827961980
2009-01-01	5.537910971764140
2010-01-01	6.099259160820470
2011-01-01	6.398199052388020
2012-01-01	6.543507030656150
2013-01-01	6.112343077717260
2014-01-01	5.920588571185450
2015-01-01	5.742868453334500
2016-01-01	5.100000000000000
2017-01-01	4.400000000000000
2018-01-01	4.748000000000000
2019-01-01	5.049000000000030