Quarterly Percent
2000-04-01 55.1
2001-04-01 55.0
2002-04-01 55.3
2003-04-01 55.7
2004-04-01 55.8
2005-01-01 56.1
2005-04-01 56.3
2005-07-01 56.4
2005-10-01 56.4
2006-01-01 56.4
2006-04-01 56.6
2006-07-01 56.7
2006-10-01 56.8
2007-01-01 56.4
2007-04-01 56.8
2007-07-01 57.1
2007-10-01 57
2008-01-01 56.8
2008-04-01 57
2008-07-01 57.3
2008-10-01 57.2
2009-01-01 56.9
2009-04-01 57
2009-07-01 57.0
2009-10-01 57.1
2010-01-01 56.8
2010-04-01 56.9
2010-07-01 56.8
2010-10-01 56.9
2011-01-01 56.6
2011-04-01 56.9
2011-07-01 56.9
2011-10-01 57.0
2012-01-01 56.8
2012-04-01 57.1
2012-07-01 57.2
2012-10-01 57.2
2013-01-01 56.9
2013-04-01 57.1
2013-07-01 57.1
2013-10-01 57.0
2014-01-01 56.8
2014-04-01 56.8
2014-07-01 57.0
2014-10-01 57.0
2015-01-01 56.7
2015-04-01 56.8
2015-07-01 56.8
2015-10-01 56.9
2016-01-01 56.9
2016-04-01 57.1
2016-07-01 57.2
2016-10-01 57.2
2017-01-01 56.9
2017-04-01 57.1
2017-07-01 57.3
2017-10-01 57.3
2018-01-01 57.0
2018-04-01 57.2