Year	Percent Change From Preceding Period
2004-01-01	3.117171060387000
2005-01-01	2.850236218295190
2006-01-01	-0.246947894313595
2007-01-01	2.138660022559260
2008-01-01	1.239238092846010
2009-01-01	-0.729738666757685
2010-01-01	0.633661858840768
2011-01-01	-1.475930440398590
2012-01-01	2.029092845576900
2013-01-01	-0.213021982016295
2014-01-01	3.492729966426190
2015-01-01	3.306900148620520
2016-01-01	3.232721551568630
2017-01-01	4.131963343159420
2018-01-01	3.956967370016360
2019-01-01	3.705104867485730