Year	Percent Change From Preceding Period
2004-01-01	9.44988822293101
2005-01-01	26.01156102326030
2006-01-01	27.49723294365190
2007-01-01	22.38752741446140
2008-01-01	31.46537189247520
2009-01-01	5.85682705605437
2010-01-01	10.32722822311750
2011-01-01	27.50150822440600
2012-01-01	34.81885425904230
2013-01-01	11.29933693922860
2014-01-01	19.30257581211360
2015-01-01	29.98498580149260
2016-01-01	9.07953777068996
2017-01-01	13.93306750085250