Quarterly Percent
1999-04-01 8.9
2000-04-01 8.5
2001-04-01 7.8
2002-04-01 9.3
2003-04-01 11
2004-04-01 13
2005-01-01 15.8
2005-04-01 15.5
2005-07-01 16.8
2005-10-01 14.1
2006-01-01 14.2
2006-04-01 13.3
2006-07-01 14.9
2006-10-01 12.6
2007-01-01 12.1
2007-04-01 12.1
2007-07-01 12.6
2007-10-01 10.9
2008-01-01 10.7
2008-04-01 10.9
2008-07-01 11.1
2008-10-01 9.6
2009-01-01 11.1
2009-04-01 11.6
2009-07-01 12.2
2009-10-01 10.1
2010-01-01 11.1
2010-04-01 9.6
2010-07-01 10.3
2010-10-01 8.3
2011-01-01 9.2
2011-04-01 8.5
2011-07-01 9.1
2011-10-01 7.3
2012-01-01 7.9
2012-04-01 8.0
2012-07-01 9.0
2012-10-01 7.3
2013-01-01 7.7
2013-04-01 7.6
2013-07-01 8.6
2013-10-01 7.3
2014-01-01 8.0
2014-04-01 7.7
2014-07-01 8.4
2014-10-01 6.9
2015-01-01 7.3
2015-04-01 7.0
2015-07-01 8.3
2015-10-01 6.4
2016-01-01 7.3
2016-04-01 7.4
2016-07-01 7.5
2016-10-01 6.0
2017-01-01 7.0
2017-04-01 7.0
2017-07-01 7.0
2017-10-01 6.1
2018-01-01 6.4
2018-04-01 6.6