Quarter	Percent, Seasonally Adjusted
2007-01-01	9.2
2007-04-01	8.8
2007-07-01	8.6
2007-10-01	8.3
2008-01-01	7.8
2008-04-01	7.6
2008-07-01	7.4
2008-10-01	7.4
2009-01-01	7.6
2009-04-01	7.9
2009-07-01	7.9
2009-10-01	7.8
2010-01-01	7.4
2010-04-01	7.2
2010-07-01	7.0
2010-10-01	6.8
2011-01-01	6.2
2011-04-01	6.0
2011-07-01	5.9
2011-10-01	5.8
2012-01-01	5.5
2012-04-01	5.5
2012-07-01	5.5
2012-10-01	5.5
2013-01-01	5.5
2013-04-01	5.5