Quarterly Percent
1999-01-01 32.2
2000-01-01 32.4
2001-01-01 32.3
2002-01-01 32.7
2003-01-01 33.6
2003-04-01 33.4
2003-07-01 36.5
2003-10-01 33.3
2004-01-01 33.3
2004-04-01 33.3
2004-07-01 37.2
2004-10-01 33.6
2005-01-01 31.7
2005-04-01 33.9
2005-07-01 36.9
2005-10-01 34.3
2006-01-01 33.3
2006-04-01 32.8
2006-07-01 36.9
2006-10-01 33.6
2007-01-01 33.6
2007-04-01 34
2007-07-01 37.1
2007-10-01 34.9
2008-01-01 33.7
2008-04-01 33.6
2008-07-01 36.9
2008-10-01 34.7
2009-01-01 35.2
2009-04-01 35.8
2009-07-01 39
2009-10-01 34.7
2010-01-01 34.4
2010-04-01 35.0
2010-07-01 37.2
2010-10-01 34.0
2011-01-01 33.5
2011-04-01 34.3
2011-07-01 36.7
2011-10-01 33.5
2012-01-01 32.8
2012-04-01 33.7
2012-07-01 35.6
2012-10-01 33.9
2013-01-01 33.2
2013-04-01 33.3
2013-07-01 35.6
2013-10-01 33.6
2014-01-01 32.4
2014-04-01 32.8
2014-07-01 34.7
2014-10-01 32.8
2015-01-01 33.0
2015-04-01 32.9
2015-07-01 36.1
2015-10-01 33.5
2016-01-01 32.7
2016-04-01 34.0
2016-07-01 36.0
2016-10-01 33.6
2017-01-01 32.7
2017-04-01 33.3
2017-07-01 34.2
2017-10-01 33.4
2018-01-01 33.0
2018-04-01 33.3
