Year	Percent
2004-01-01	17.0000
2005-01-01	15.8000
2006-01-01	13.3000
2007-01-01	11.4000
2008-01-01	11.5000
2009-01-01	11.4000
2010-01-01	10.5656
2011-01-01	11.0484
2012-01-01	11.1634
2013-01-01	11.2737
2014-01-01	10.8196
2015-01-01	10.8370
2016-01-01	10.6123
