Year	Percent Change From Preceding Period
2004-01-01	7.45446844557391
2005-01-01	9.38115884903429
2006-01-01	9.22522522522523
2007-01-01	7.62124711316397
2008-01-01	11.15879828326180
2009-01-01	6.26034197462769
2010-01-01	7.31897222943161
2011-01-01	7.83555018137848
2012-01-01	8.81363534424759
2013-01-01	4.67848309975268
2014-01-01	7.61961015948021
2015-01-01	8.87303329674351
2016-01-01	5.98218786758528
2017-01-01	6.10432852386237
2018-01-01	7.20000000000000
2019-01-01	7.80000000000000