Quarterly Percent
1999-04-01 35.1
2000-01-01 33.6
2000-04-01 33.9
2000-07-01 33.7
2000-10-01 33.5
2001-01-01 34.8
2001-04-01 33.7
2001-07-01 31.9
2001-10-01 34.4
2002-01-01 36.8
2002-04-01 35.9
2002-07-01 33.7
2002-10-01 33.5
2003-01-01 34.3
2003-04-01 33.8
2003-07-01 32.9
2003-10-01 32.4
2004-01-01 32.5
2004-04-01 32.5
2004-07-01 33.1
2004-10-01 33.8
2005-01-01 32.3
2005-04-01 31
2005-07-01 32.8
2005-10-01 32.2
2006-01-01 30.9
2006-04-01 28.7
2006-07-01 30.9
2006-10-01 31
2007-01-01 31.7
2007-04-01 30.2
2007-07-01 30.5
2007-10-01 31.8
2008-01-01 31.4
2008-04-01 31.1
2008-07-01 28.4
2008-10-01 27.9
2009-01-01 28.9
2009-04-01 29.7
2009-07-01 29.5
2009-10-01 29.6
2010-01-01 28.2
2010-04-01 28.5
2010-07-01 29.1
2010-10-01 29.8
2011-01-01 29.8
2011-04-01 28.3
2011-07-01 27
2011-10-01 29
2012-01-01 28.3
2012-04-01 28.1
2012-07-01 28.1
2012-10-01 29.9
2013-01-01 28.3
2013-04-01 27.6
2013-07-01 28.9
2013-10-01 28.1
2014-01-01 30.1
2014-04-01 28.9
2014-07-01 27.4
2014-10-01 28.3
2015-01-01 28.9
2015-04-01 27.1
2015-07-01 25.6
2015-10-01 26.3
2016-01-01 28.2
2016-04-01 25.9
2016-07-01 25.7
2016-10-01 27.2
2017-01-01 25.7
2017-04-01 25.4
2017-07-01 25.3
2017-10-01 23.4
2018-01-01 24.3
2018-04-01 25.1