Quarterly Percent
1999-04-01 36
2000-04-01 37.4
2001-04-01 36.8
2002-04-01 38.2
2003-01-01 31
2003-04-01 31
2003-07-01 31
2003-10-01 31
2004-01-01 29.6
2004-04-01 29.6
2004-07-01 29.6
2004-10-01 29.6
2005-01-01 32.1
2005-04-01 32.1
2005-07-01 32.1
2005-10-01 32.1
2006-01-01 30.6
2006-04-01 30.6
2006-07-01 30.6
2006-10-01 30.6
2007-01-01 32.3
2007-04-01 35.5
2007-07-01 29
2007-10-01 25.7
2008-01-01 30.3
2008-04-01 35.1
2008-07-01 27.9
2008-10-01 29.9
2009-01-01 28.8
2009-04-01 37.1
2009-07-01 35.7
2009-10-01 38.1
2010-01-01 26.3
2010-04-01 24
2010-07-01 29.5
2010-10-01 27.5
2011-01-01 28.3
2011-04-01 23
2011-07-01 28
2011-10-01 26.1
2012-01-01 27.5
2012-04-01 24.8
2012-07-01 30.2
2012-10-01 32.6
2013-01-01 23.7
2013-04-01 28.4
2013-07-01 31.5
2013-10-01 35.8
2014-01-01 30.2
2014-04-01 26.4
2014-07-01 29.7
2014-10-01 32.3
2015-01-01 34.4
2015-04-01 34.1
2015-07-01 42.2
2015-10-01 34.1
2016-01-01 27.6
2016-04-01 29.0
2016-07-01 31.2
2016-10-01 33.7
2017-01-01 31.3
2017-04-01 31.7
2017-07-01 35.5
2017-10-01 31.8
2018-01-01 34.0
2018-04-01 29.6