Year	Percent Change From Preceding Period
2004-01-01	34.80457771304520
2005-01-01	25.10747577260460
2006-01-01	17.03398933521380
2007-01-01	17.48464637526030
2008-01-01	29.53969796846700
2009-01-01	6.52703862435172
2010-01-01	11.19794682928940
2011-01-01	7.04742397613344
2012-01-01	4.83483641902418
2013-01-01	16.24522842572120
2014-01-01	18.39857250627270
2015-01-01	16.45539012931510
2016-01-01	8.16392056962158
2017-01-01	18.38837328134170