Quarterly Percent
1999-04-01 37.5
2000-01-01 37.2
2000-04-01 36.5
2000-07-01 35.9
2000-10-01 35.6
2001-01-01 35.9
2001-04-01 35.8
2001-07-01 35.8
2001-10-01 35.5
2002-01-01 35.5
2002-04-01 35.1
2002-07-01 34.9
2002-10-01 35
2003-01-01 35.3
2003-04-01 35.2
2003-07-01 35.2
2003-10-01 35.4
2004-01-01 35.2
2004-04-01 35.1
2004-07-01 35.1
2004-10-01 35.2
2005-01-01 35.3
2005-04-01 35
2005-07-01 35
2005-10-01 35.1
2006-01-01 34.9
2006-04-01 34.8
2006-07-01 34.7
2006-10-01 34.4
2007-01-01 34.1
2007-04-01 33.8
2007-07-01 33.7
2007-10-01 33.9
2008-01-01 33.8
2008-04-01 33.5
2008-07-01 33.4
2008-10-01 33.1
2009-01-01 32.9
2009-04-01 33.3
2009-07-01 33.4
2009-10-01 33.4
2010-01-01 34.9
2010-04-01 34.8
2010-07-01 34.9
2010-10-01 35
2011-01-01 35.6
2011-04-01 35.8
2011-07-01 35.5
2011-10-01 35.0
2012-01-01 35.1
2012-04-01 35.0
2012-07-01 34.9
2012-10-01 35.0
2013-01-01 35.1
2013-04-01 35.0
2013-07-01 35.0
2013-10-01 35.1
2014-01-01 35.6
2014-04-01 35.7
2014-07-01 35.7
2014-10-01 35.5
2015-01-01 35.6
2015-04-01 35.5
2015-07-01 35.6
2015-10-01 35.8
2016-01-01 36.0
2016-04-01 35.8
2016-07-01 35.9
2016-10-01 36.0
2017-01-01 36.1
2017-04-01 36.0
2017-07-01 35.8
2017-10-01 36.0
2018-01-01 36.1
2018-04-01 35.8