Quarter	Percent
1995-01-01	5.9
1995-04-01	5.5
1995-07-01	5.5
1995-10-01	5.6
1996-01-01	6.0
1996-04-01	5.6
1996-07-01	5.5
1996-10-01	5.6
1997-01-01	5.9
1997-04-01	5.4
1997-07-01	5.3
1997-10-01	5.3
1998-01-01	5.6
1998-04-01	5.3
1998-07-01	5.3
1998-10-01	5.2
1999-01-01	5.5
1999-04-01	5.2
1999-07-01	5.0
1999-10-01	4.8
2000-01-01	5.2
2000-04-01	4.7
2000-07-01	4.7
2000-10-01	4.5
2001-01-01	5.0
2001-04-01	4.8
2001-07-01	4.9
2001-10-01	5.3
2002-01-01	5.7
2002-04-01	5.5
2002-07-01	5.4
2002-10-01	5.5
2003-01-01	6.0
2003-04-01	5.6
2003-07-01	5.5
2003-10-01	5.5
2004-01-01	5.8
2004-04-01	5.3
2004-07-01	5.2
2004-10-01	5.2
2005-01-01	5.5
2005-04-01	5.1
2005-07-01	5.0
2005-10-01	5.1
2006-01-01	5.2
2006-04-01	4.8
2006-07-01	4.7
2006-10-01	4.6
2007-01-01	4.9
2007-04-01	4.4
2007-07-01	4.4
2007-10-01	4.4
2008-01-01	4.8
2008-04-01	4.6
2008-07-01	4.8
2008-10-01	5.2
2009-01-01	6.7
2009-04-01	6.7
2009-07-01	6.9
2009-10-01	7.0
2010-01-01	7.6
2010-04-01	6.8
2010-07-01	6.8
2010-10-01	6.7
2011-01-01	6.9
2011-04-01	6.4
2011-07-01	6.4
2011-10-01	6.3
2012-01-01	6.6
2012-04-01	6.1
2012-07-01	6.0
2012-10-01	6.0
2013-01-01	6.5
2013-04-01	5.9
2013-07-01	5.8
2013-10-01	5.7
2014-01-01	5.9
2014-04-01	5.3
2014-07-01	5.2
2014-10-01	5.1
2015-01-01	5.3
2015-04-01	4.9
2015-07-01	4.7
2015-10-01	4.7
2016-01-01	5.0
2016-04-01	4.6
2016-07-01	4.5
2016-10-01	4.5
2017-01-01	4.7
2017-04-01	4.2
2017-07-01	4.2