Year	Percent Change From Preceding Period
2004-01-01	-15.014531295305600
2005-01-01	30.480903516753300
2006-01-01	0.506448624829925
2007-01-01	13.632418793656400
2008-01-01	27.336331750746700
2009-01-01	44.132992393834500
2010-01-01	25.869741932354700
2011-01-01	8.857844096115710
2012-01-01	22.364127762642800
2013-01-01	12.589087071216400
2014-01-01	9.582984020383510
2015-01-01	16.810047957333000
2016-01-01	7.224055905063350
2017-01-01	6.275695221862590