Quarterly Percent
2000-04-01 33.9
2001-04-01 34.1
2002-04-01 33.5
2003-04-01 33
2004-04-01 32.8
2005-01-01 32.2
2005-04-01 32.7
2005-07-01 33.8
2005-10-01 33.1
2006-01-01 32.6
2006-04-01 33.1
2006-07-01 34.5
2006-10-01 33.6
2007-01-01 33.1
2007-04-01 33.8
2007-07-01 35.4
2007-10-01 34.5
2008-01-01 34.2
2008-04-01 34.3
2008-07-01 35.4
2008-10-01 34.0
2009-01-01 33.0
2009-04-01 32.9
2009-07-01 33.3
2009-10-01 32.2
2010-01-01 31.4
2010-04-01 31.5
2010-07-01 32.7
2010-10-01 31.2
2011-01-01 30.5
2011-04-01 31.2
2011-07-01 32.2
2011-10-01 31.0
2012-01-01 29.9
2012-04-01 30.6
2012-07-01 31.5
2012-10-01 30.4
2013-01-01 29.7
2013-04-01 30.1
2013-07-01 31.2
2013-10-01 30.2
2014-01-01 29.4
2014-04-01 30.4
2014-07-01 31.7
2014-10-01 30.8
2015-01-01 30.6
2015-04-01 31.0
2015-07-01 32.1
2015-10-01 31.3
2016-01-01 31.0
2016-04-01 31.9
2016-07-01 33.1
2016-10-01 32.2
2017-01-01 31.9
2017-04-01 32.7
2017-07-01 33.8
2017-10-01 33.1
2018-01-01 32.4
2018-04-01 33.0