Year	Percent Change From Preceding Period
2004-01-01	1.31870126490506
2005-01-01	1.90181206246184
2006-01-01	0.61365970017025
2007-01-01	3.37905442940047
2008-01-01	1.60900352432309
2009-01-01	2.07790761974729
2010-01-01	2.58053238274147
2011-01-01	-4.83107443052452
2012-01-01	12.48918137057480
2013-01-01	9.03554734990970
2014-01-01	9.35104611825225
2015-01-01	8.37256032262061
2016-01-01	7.90036504639187
2017-01-01	8.54083860640674
2018-01-01	7.80674403669080
2019-01-01	7.07124652342458