Year	Percent Change From Preceding Period
2004-01-01	17.38295227692230
2005-01-01	18.49890899756020
2006-01-01	9.03834991625906
2007-01-01	12.59305899379650
2008-01-01	30.22624880239240
2009-01-01	22.19999999999980
2010-01-01	14.19820802969250
2011-01-01	12.25607646481610
2012-01-01	2.87760277323702
2013-01-01	9.45956765412330
2014-01-01	10.04000000000010
2015-01-01	8.99999999999995
2016-01-01	8.99999999999993
2017-01-01	9.00000000000007
2018-01-01	9.00000000000003
2019-01-01	8.99999999999986