Quarter	Percent, Seasonally Adjusted
2007-01-01	4.5
2007-04-01	4.5
2007-07-01	4.7
2007-10-01	4.8
2008-01-01	5.0
2008-04-01	5.3
2008-07-01	6.0
2008-10-01	6.9
2009-01-01	8.3
2009-04-01	9.3
2009-07-01	9.6
2009-10-01	9.9
2010-01-01	9.8
2010-04-01	9.6
2010-07-01	9.5
2010-10-01	9.5
2011-01-01	9.0
2011-04-01	9.1
2011-07-01	9.0
2011-10-01	8.7
2012-01-01	8.2
2012-04-01	8.2
2012-07-01	8.0
2012-10-01	7.8
2013-01-01	7.7
2013-04-01	7.5