Year	Percent Change From Preceding Period
2004-01-01	27.25975918039960
2005-01-01	47.95880865576860
2006-01-01	20.12183611118010
2007-01-01	30.66717535310800
2008-01-01	15.31290044619080
2009-01-01	23.87544458949570
2010-01-01	28.83779864328860
2011-01-01	25.07389198156680
2012-01-01	42.18049179648920
2013-01-01	10.29076518696020
2014-01-01	11.82204497608220
2015-01-01	8.20250746829283
2016-01-01	5.83697540973276
2017-01-01	8.31412324000809