Year	Percent Change From Preceding Period
2004-01-01	1.23177283969001
2005-01-01	1.72124736720611
2006-01-01	1.51584236366828
2007-01-01	1.76503678377541
2008-01-01	2.54284147623201
2009-01-01	3.25145371882853
2010-01-01	2.01763859205304
2011-01-01	-4.19861768901405
2012-01-01	10.10173794619340
2013-01-01	9.27194273555244
2014-01-01	8.79407739043444
2015-01-01	8.84286544134924
2016-01-01	8.34211724167277
2017-01-01	7.80094406488118
2018-01-01	7.41535218623073
2019-01-01	7.03134677883336