Quarter	Percent, Seasonally Adjusted
1992-01-01	6.1
1992-04-01	6.4
1992-07-01	6.7
1992-10-01	7.0
1993-01-01	7.3
1993-04-01	7.6
1993-07-01	7.9
1993-10-01	8.2
1994-01-01	8.4
1994-04-01	8.5
1994-07-01	8.4
1994-10-01	8.3
1995-01-01	8.1
1995-04-01	8.1
1995-07-01	8.3
1995-10-01	8.4
1996-01-01	8.6
1996-04-01	8.8
1996-07-01	9.0
1996-10-01	9.3
1997-01-01	9.6
1997-04-01	9.7
1997-07-01	9.7
1997-10-01	9.7
1998-01-01	9.7
1998-04-01	9.6
1998-07-01	9.3
1998-10-01	9.1
1999-01-01	8.9
1999-04-01	8.7
1999-07-01	8.5
1999-10-01	8.3
2000-01-01	8.2
2000-04-01	8.0
2000-07-01	7.9
2000-10-01	7.8
2001-01-01	7.7
2001-04-01	7.7
2001-07-01	7.9
2001-10-01	8.1
2002-01-01	8.3
2002-04-01	8.5
2002-07-01	8.8
2002-10-01	9.2
2003-01-01	9.6
2003-04-01	9.9
2003-07-01	9.9
2003-10-01	9.8
2004-01-01	10.0
2004-04-01	10.3
2004-07-01	10.6
2004-10-01	11.0
2005-01-01	11.4
2005-04-01	11.4
2005-07-01	11.3
2005-10-01	11.0
2006-01-01	10.6
2006-04-01	10.3
2006-07-01	10.1
2006-10-01	9.7
2007-01-01	9.2
2007-04-01	8.8
2007-07-01	8.5
2007-10-01	8.3
2008-01-01	8.0
2008-04-01	7.7
2008-07-01	7.2
2008-10-01	7.2
2009-01-01	7.6
2009-04-01	7.9
2009-07-01	7.9
2009-10-01	7.7
2010-01-01	7.5
2010-04-01	7.2
2010-07-01	6.9
2010-10-01	6.7
2011-01-01	6.3
2011-04-01	6.0
2011-07-01	5.9
2011-10-01	5.6
2012-01-01	5.5