Quarterly Percent
2000-04-01 20.0
2001-04-01 17.5
2002-04-01 17.8
2003-04-01 17.7
2004-04-01 18.5
2005-01-01 18.7
2005-04-01 18.3
2005-07-01 19.3
2005-10-01 18.4
2006-01-01 17.9
2006-04-01 17.3
2006-07-01 17.8
2006-10-01 17.3
2007-01-01 16.5
2007-04-01 15.8
2007-07-01 15.5
2007-10-01 15.5
2008-01-01 14.9
2008-04-01 15.6
2008-07-01 16.0
2008-10-01 16.5
2009-01-01 18.2
2009-04-01 18.7
2009-07-01 19.7
2009-10-01 19.3
2010-01-01 19.9
2010-04-01 20.2
2010-07-01 20.2
2010-10-01 20.5
2011-01-01 21.3
2011-04-01 20.3
2011-07-01 20.7
2011-10-01 21.2
2012-01-01 22.6
2012-04-01 22.1
2012-07-01 23.3
2012-10-01 23.8
2013-01-01 24.0
2013-04-01 23.2
2013-07-01 23.7
2013-10-01 24.1
2014-01-01 24.5
2014-04-01 22.5
2014-07-01 23.0
2014-10-01 22.9
2015-01-01 22.6
2015-04-01 21.4
2015-07-01 21.7
2015-10-01 20.9
2016-01-01 20.9
2016-04-01 20.2
2016-07-01 20.4
2016-10-01 19.7
2017-01-01 19.0
2017-04-01 18.3
2017-07-01 17.8
2017-10-01 17.5
2018-01-01 17.2
2018-04-01 16.2
