Quarterly Percent
1999-04-01 28.9
2000-01-01 27.5
2000-04-01 29.6
2000-07-01 33.4
2000-10-01 30.2
2001-01-01 27.9
2001-04-01 27.6
2001-07-01 31.6
2001-10-01 30.5
2002-01-01 27
2002-04-01 25.4
2002-07-01 30.8
2002-10-01 31
2003-01-01 27.5
2003-04-01 28.8
2003-07-01 35.1
2003-10-01 31.7
2004-01-01 25
2004-04-01 29.6
2004-07-01 30.5
2004-10-01 28.9
2005-01-01 29.2
2005-04-01 30.9
2005-07-01 30.8
2005-10-01 32
2006-01-01 30.1
2006-04-01 31.3
2006-07-01 31.3
2006-10-01 32.9
2007-01-01 32
2007-04-01 33.5
2007-07-01 36.3
2007-10-01 34.6
2008-01-01 35.3
2008-04-01 34.1
2008-07-01 36.9
2008-10-01 37.5
2009-01-01 30.5
2009-04-01 28.2
2009-07-01 30.2
2009-10-01 24.5
2010-01-01 22.8
2010-04-01 23.1
2010-07-01 27.8
2010-10-01 27.7
2011-01-01 29.3
2011-04-01 31.3
2011-07-01 34.5
2011-10-01 29.1
2012-01-01 31.2
2012-04-01 31.1
2012-07-01 34.4
2012-10-01 32.3
2013-01-01 30.2
2013-04-01 33.8
2013-07-01 34.4
2013-10-01 31
2014-01-01 31.3
2014-04-01 33.3
2014-07-01 35.1
2014-10-01 33.6
2015-01-01 33.9
2015-04-01 39.7
2015-07-01 38.7
2015-10-01 32.7
2016-01-01 32.5
2016-04-01 38.1
2016-07-01 42.1
2016-10-01 37.2
2017-01-01 37.5
2017-04-01 38.8
2017-07-01 42.3
2017-10-01 43.6
2018-01-01 42.0
2018-04-01 44.9