Quarterly Percent
2000-04-01 47.6
2001-04-01 47.3
2002-04-01 47.6
2003-04-01 47.2
2004-04-01 47.0
2005-01-01 47.0
2005-04-01 47.2
2005-07-01 49.0
2005-10-01 47.1
2006-01-01 46.9
2006-04-01 47.2
2006-07-01 48.9
2006-10-01 47.2
2007-01-01 47.0
2007-04-01 47.1
2007-07-01 49.8
2007-10-01 47.5
2008-01-01 47.3
2008-04-01 47.5
2008-07-01 49.4
2008-10-01 47.2
2009-01-01 46.5
2009-04-01 46.3
2009-07-01 47.8
2009-10-01 45.9
2010-01-01 45.2
2010-04-01 44.9
2010-07-01 45.9
2010-10-01 44.8
2011-01-01 44.3
2011-04-01 44.1
2011-07-01 45.5
2011-10-01 44.6
2012-01-01 43.6
2012-04-01 43.7
2012-07-01 45.3
2012-10-01 43.9
2013-01-01 43.3
2013-04-01 43.3
2013-07-01 44.6
2013-10-01 42.8
2014-01-01 42.3
2014-04-01 42.0
2014-07-01 43.9
2014-10-01 42.4
2015-01-01 42.0
2015-04-01 41.4
2015-07-01 42.9
2015-10-01 42.2
2016-01-01 41.2
2016-04-01 41.5
2016-07-01 42.8
2016-10-01 42.3
2017-01-01 41.0
2017-04-01 41.4
2017-07-01 43.6
2017-10-01 42.2
2018-01-01 41.6
2018-04-01 42.2