Year	Percent Change From Preceding Period
2004-01-01	8.86939571150110
2005-01-01	9.74658869395714
2006-01-01	8.67446393762168
2007-01-01	8.96686159844059
2008-01-01	9.44881889763776
2009-01-01	8.26771653543322
2010-01-01	8.85826771653537
2011-01-01	9.64566929133852
2012-01-01	6.98818897637796
2013-01-01	8.16929133858280
2014-01-01	8.56299212598396
2015-01-01	8.66141732283475
2016-01-01	6.29921259842529
2017-01-01	9.11493269839363
2018-01-01	5.80210646317653
2019-01-01	6.78528097142080