Quarterly Percent
1999-04-01 48.6
2000-04-01 48.6
2001-04-01 48.6
2002-04-01 46.9
2003-04-01 45
2004-04-01 42.7
2005-01-01 42.6
2005-04-01 42.8
2005-07-01 44.4
2005-10-01 44.7
2006-01-01 44.7
2006-04-01 44.7
2006-07-01 45.1
2006-10-01 46.7
2007-01-01 47.2
2007-04-01 45
2007-07-01 48.2
2007-10-01 48.3
2008-01-01 49
2008-04-01 47.2
2008-07-01 49.6
2008-10-01 48.9
2009-01-01 47.4
2009-04-01 45.9
2009-07-01 49.1
2009-10-01 47.6
2010-01-01 46.9
2010-04-01 46.7
2010-07-01 48.6
2010-10-01 49.5
2011-01-01 49.1
2011-04-01 48.4
2011-07-01 49.8
2011-10-01 51.6
2012-01-01 48.7
2012-04-01 47.1
2012-07-01 49.1
2012-10-01 49.5
2013-01-01 48.5
2013-04-01 47.7
2013-07-01 49.1
2013-10-01 48.4
2014-01-01 47.4
2014-04-01 45.9
2014-07-01 48.7
2014-10-01 48.8
2015-01-01 47.7
2015-04-01 44.2
2015-07-01 46.0
2015-10-01 47.9
2016-01-01 46.3
2016-04-01 44.6
2016-07-01 47.7
2016-10-01 49.1
2017-01-01 46.8
2017-04-01 45.8
2017-07-01 47.9
2017-10-01 49.1
2018-01-01 48.0
2018-04-01 47.6