Quarter	Percent, Seasonally Adjusted
2005-01-01	8.9
2005-04-01	9.2
2005-07-01	9.3
2005-10-01	9.3
2006-01-01	9.1
2006-04-01	8.7
2006-07-01	8.7
2006-10-01	8.4
2007-01-01	8.5
2007-04-01	8.8
2007-07-01	8.9
2007-10-01	9.1
2008-01-01	9.0
2008-04-01	9.0
2008-07-01	9.8
2008-10-01	11.1
2009-01-01	12.5
2009-04-01	13.0
2009-07-01	12.7
2009-10-01	11.9
2010-01-01	11.5
2010-04-01	10.6
2010-07-01	10.5
2010-10-01	9.9
2011-01-01	9.2
2011-04-01	9.1
2011-07-01	8.6
2011-10-01	8.3