Quarterly Percent
1999-04-01 8.7
2000-04-01 7.6
2001-04-01 7.4
2002-04-01 7.9
2003-04-01 9.1
2004-04-01 9.8
2005-01-01 10.4
2005-04-01 10.3
2005-07-01 9.9
2005-10-01 10.1
2006-01-01 10.3
2006-04-01 9.3
2006-07-01 9.0
2006-10-01 9.3
2007-01-01 8.6
2007-04-01 8.2
2007-07-01 7.9
2007-10-01 7.8
2008-01-01 7.8
2008-04-01 7.5
2008-07-01 6.9
2008-10-01 6.5
2009-01-01 7.3
2009-04-01 6.9
2009-07-01 7.0
2009-10-01 6.4
2010-01-01 6.8
2010-04-01 6.1
2010-07-01 5.8
2010-10-01 5.8
2011-01-01 5.6
2011-04-01 5.0
2011-07-01 5.1
2011-10-01 5.0
2012-01-01 5.2
2012-04-01 4.9
2012-07-01 4.7
2012-10-01 4.8
2013-01-01 4.9
2013-04-01 4.6
2013-07-01 4.4
2013-10-01 4.6
2014-01-01 4.7
2014-04-01 4.2
2014-07-01 4.2
2014-10-01 4.4
2015-01-01 4.1
2015-04-01 4.2
2015-07-01 3.6
2015-10-01 4.2
2016-01-01 4.1
2016-04-01 3.6
2016-07-01 3.4
2016-10-01 3.1
2017-01-01 3.4
2017-04-01 3.0
2017-07-01 3.1
2017-10-01 3.0
2018-01-01 2.8
2018-04-01 2.8
