Year	Percent Change From Preceding Period
2004-01-01	1.213388208830140
2005-01-01	-1.603072797321710
2006-01-01	17.002413220720500
2007-01-01	12.129516985067000
2008-01-01	13.406109163745600
2009-01-01	25.478394049343200
2010-01-01	39.124967617025300
2011-01-01	35.547619506460700
2012-01-01	11.903217877956800
2013-01-01	9.484459295280540
2014-01-01	7.435910342147550
2015-01-01	-3.824130114530160
2016-01-01	-0.288279875327202
2017-01-01	-4.021864204446980