Year	Percent Change From Preceding Period
2004-01-01	4.42553887684568
2005-01-01	1.71947828130508
2006-01-01	3.93916056988833
2007-01-01	5.98303263809136
2008-01-01	4.90072706935123
2009-01-01	2.32589136954349
2010-01-01	2.11019929660023
2011-01-01	2.95956116851639
2012-01-01	4.81352992194276
2013-01-01	7.19605177610970
2014-01-01	6.35183194111322
2015-01-01	2.09710449231407
2016-01-01	3.96906994493602
2017-01-01	5.60624282645038
2018-01-01	6.03881477047342
2019-01-01	6.34314892228771