Year	Percent
2005-01-01	6.200
2006-01-01	6.100
2007-01-01	5.450
2008-01-01	5.000
2009-01-01	5.800
2010-01-01	6.075
2011-01-01	6.075
2012-01-01	6.600
2013-01-01	6.925
2014-01-01	6.725
2015-01-01	6.325
2016-01-01	5.925
2017-01-01	5.475
