Quarterly Percent
2000-04-01 32.4
2001-04-01 32.4
2002-04-01 31.8
2003-04-01 31.1
2004-04-01 30.8
2005-01-01 30.4
2005-04-01 30.1
2005-07-01 30.0
2005-10-01 29.9
2006-01-01 29.9
2006-04-01 29.7
2006-07-01 29.4
2006-10-01 29.4
2007-01-01 29.6
2007-04-01 29.3
2007-07-01 28.9
2007-10-01 29
2008-01-01 29.1
2008-04-01 28.8
2008-07-01 28.6
2008-10-01 28.6
2009-01-01 28.8
2009-04-01 28.6
2009-07-01 28.7
2009-10-01 28.6
2010-01-01 28.8
2010-04-01 28.6
2010-07-01 28.7
2010-10-01 28.6
2011-01-01 28.8
2011-04-01 28.6
2011-07-01 28.5
2011-10-01 28.3
2012-01-01 28.4
2012-04-01 28
2012-07-01 27.9
2012-10-01 27.8
2013-01-01 28
2013-04-01 27.8
2013-07-01 27.8
2013-10-01 27.7
2014-01-01 27.9
2014-04-01 27.8
2014-07-01 27.6
2014-10-01 27.4
2015-01-01 27.7
2015-04-01 27.6
2015-07-01 27.5
2015-10-01 27.3
2016-01-01 27.5
2016-04-01 27.2
2016-07-01 27.0
2016-10-01 27.0
2017-01-01 27.3
2017-04-01 27.0
2017-07-01 26.7
2017-10-01 26.7
2018-01-01 26.9
2018-04-01 26.6
