Quarterly Percent
1999-01-01 46.1
2000-01-01 43.7
2000-04-01 44
2000-07-01 44.1
2000-10-01 43.2
2001-01-01 42.5
2001-04-01 43.2
2001-07-01 43.2
2001-10-01 42.1
2002-01-01 41.5
2002-04-01 41.8
2002-07-01 41.5
2002-10-01 41.2
2003-01-01 40.8
2003-04-01 41.5
2003-07-01 41.4
2003-10-01 41.2
2004-01-01 40.6
2004-04-01 41.2
2004-07-01 42.1
2004-10-01 41.7
2005-01-01 40.6
2005-04-01 41.6
2005-07-01 42.9
2005-10-01 42.7
2006-01-01 41.8
2006-04-01 42.8
2006-07-01 44.2
2006-10-01 43.9
2007-01-01 43.8
2007-04-01 45.1
2007-07-01 46.2
2007-10-01 46.3
2008-01-01 46
2008-04-01 46.7
2008-07-01 47.6
2008-10-01 47.8
2009-01-01 47.1
2009-04-01 47.4
2009-07-01 47.8
2009-10-01 47.8
2010-01-01 46.5
2010-04-01 47.4
2010-07-01 47.8
2010-10-01 47.4
2011-01-01 47.1
2011-04-01 47.4
2011-07-01 47.4
2011-10-01 47.4
2012-01-01 47.2
2012-04-01 47.6
2012-07-01 47.8
2012-10-01 47.7
2013-01-01 46.6
2013-04-01 47.2
2013-07-01 48
2013-10-01 48.3
2014-01-01 48.1
2014-04-01 48.4
2014-07-01 49.2
2014-10-01 49.4
2015-01-01 49.0
2015-04-01 49.6
2015-07-01 50.1
2015-10-01 50.4
2016-01-01 50.2
2016-04-01 50.8
2016-07-01 50.7
2016-10-01 50.9
2017-01-01 51.2
2017-04-01 51.9
2017-07-01 51.4
2017-10-01 51.2
2018-01-01 51.5
2018-04-01 52.6
