Year	Percent Change From Preceding Period
2004-01-01	10.00848176420690
2005-01-01	11.56515034695450
2006-01-01	8.50000000000003
2007-01-01	6.60738714090289
2008-01-01	15.05196971641220
2009-01-01	13.93040374749050
2010-01-01	11.81595692608910
2011-01-01	10.28716511994400
2012-01-01	11.97904262919740
2013-01-01	7.96115128314192
2014-01-01	7.97819948781930
2015-01-01	9.55363658477257
2016-01-01	18.54565639744660
2017-01-01	15.36804645064620
2018-01-01	12.89096688719620
2019-01-01	13.01756268346710