Quarterly Percent
1999-04-01 24.3
2000-01-01 23.9
2000-04-01 25.3
2000-07-01 29.9
2000-10-01 25.7
2001-01-01 19.9
2001-04-01 22.7
2001-07-01 28.6
2001-10-01 22.3
2002-01-01 16.5
2002-04-01 19.7
2002-07-01 23.8
2002-10-01 25.8
2003-01-01 21.5
2003-04-01 20.5
2003-07-01 26
2003-10-01 28.4
2004-01-01 18.4
2004-04-01 24.7
2004-07-01 25.6
2004-10-01 21.4
2005-01-01 25.9
2005-04-01 29.6
2005-07-01 25.8
2005-10-01 25.9
2006-01-01 23.8
2006-04-01 26.8
2006-07-01 25.2
2006-10-01 27.4
2007-01-01 27.4
2007-04-01 28.7
2007-07-01 32
2007-10-01 31.1
2008-01-01 31.8
2008-04-01 30.3
2008-07-01 33.4
2008-10-01 36.1
2009-01-01 30.9
2009-04-01 27.6
2009-07-01 26.2
2009-10-01 22
2010-01-01 22.4
2010-04-01 22.5
2010-07-01 24.9
2010-10-01 26.8
2011-01-01 27.1
2011-04-01 30.5
2011-07-01 31.5
2011-10-01 26.8
2012-01-01 31.8
2012-04-01 31.2
2012-07-01 30
2012-10-01 28.4
2013-01-01 29.2
2013-04-01 33.8
2013-07-01 29.9
2013-10-01 29.7
2014-01-01 30.2
2014-04-01 34.1
2014-07-01 35.3
2014-10-01 33.4
2015-01-01 33.0
2015-04-01 33.7
2015-07-01 32.7
2015-10-01 32.9
2016-01-01 30.6
2016-04-01 37.7
2016-07-01 40.4
2016-10-01 35.6
2017-01-01 35.6
2017-04-01 36.0
2017-07-01 41.3
2017-10-01 39.9
2018-01-01 38.3
2018-04-01 44.3