Year	Percent Change From Preceding Period
2004-01-01	36.530197484207400
2005-01-01	28.154871203163500
2006-01-01	27.907624078918100
2007-01-01	35.579620788563700
2008-01-01	39.520349225135800
2009-01-01	30.164701785522100
2010-01-01	27.369396204818300
2011-01-01	41.399234516354200
2012-01-01	-1.425992620028220
2013-01-01	7.762166165830980
2014-01-01	2.136689907439300
2015-01-01	1.699243918196640
2016-01-01	-5.182850347071200
2017-01-01	-2.521009659088020
2018-01-01	-2.030846856402650
2019-01-01	0.829274960214111