Quarterly Percent
1999-01-01 48.2
1999-04-01 48.3
1999-07-01 47.9
1999-10-01 47.8
2000-01-01 47.4
2000-04-01 47.7
2000-07-01 47.4
2000-10-01 47.2
2001-01-01 47
2001-04-01 47.1
2001-07-01 46.8
2001-10-01 47.1
2002-01-01 47.6
2002-04-01 47.6
2002-07-01 47.2
2002-10-01 47.3
2003-01-01 47.4
2003-04-01 47.3
2003-07-01 46.8
2003-10-01 46.9
2004-01-01 47.4
2004-04-01 47.4
2004-07-01 47.3
2004-10-01 47.7
2005-01-01 48.2
2005-04-01 48.9
2005-07-01 48.9
2005-10-01 48.7
2006-01-01 49.5
2006-04-01 49.4
2006-07-01 49.1
2006-10-01 49.1
2007-01-01 49.4
2007-04-01 49.5
2007-07-01 49.5
2007-10-01 49.1
2008-01-01 49.1
2008-04-01 49.2
2008-07-01 48.6
2008-10-01 49.2
2009-01-01 50
2009-04-01 50
2009-07-01 49.5
2009-10-01 49.3
2010-01-01 49.3
2010-04-01 49.5
2010-07-01 49
2010-10-01 49
2011-01-01 49.9
2011-04-01 50.2
2011-07-01 49.7
2011-10-01 49.6
2012-01-01 49.3
2012-04-01 49.3
2012-07-01 49.1
2012-10-01 49.5
2013-01-01 48.9
2013-04-01 49.3
2013-07-01 48.8
2013-10-01 48.8
2014-01-01 49
2014-04-01 49.2
2014-07-01 48.9
2014-10-01 48.6
2015-01-01 48.4
2015-04-01 48.5
2015-07-01 47.9
2015-10-01 47.4
2016-01-01 47.6
2016-04-01 47.5
2016-07-01 47.3
2016-10-01 47.4
2017-01-01 47.5
2017-04-01 47.6
2017-07-01 47.1
2017-10-01 47.2
2018-01-01 47.7
2018-04-01 48.1