Year	Percent Change From Preceding Period
2004-01-01	32.26015880622320
2005-01-01	26.01837619463690
2006-01-01	39.64646802281990
2007-01-01	36.40801709484000
2008-01-01	44.58466295627470
2009-01-01	9.56328154125678
2010-01-01	20.03010530773360
2011-01-01	27.21318341471660
2012-01-01	18.21051525618860
2013-01-01	15.34099587494650
2014-01-01	19.43325798133450
2015-01-01	24.81758634824000
2016-01-01	8.19942582613038
2017-01-01	2.60517765526027