Quarterly Percent
1999-04-01 16.5
2000-04-01 14.1
2001-04-01 15.2
2002-04-01 15.9
2003-01-01 18.6
2003-04-01 15.7
2003-07-01 15.2
2003-10-01 19.5
2004-01-01 19.6
2004-04-01 17.7
2004-07-01 17.9
2004-10-01 20
2005-01-01 18.2
2005-04-01 15.7
2005-07-01 17.8
2005-10-01 17.7
2006-01-01 17.9
2006-04-01 14.6
2006-07-01 15.7
2006-10-01 18.3
2007-01-01 17.5
2007-04-01 15.2
2007-07-01 16.7
2007-10-01 19.7
2008-01-01 19.9
2008-04-01 16.6
2008-07-01 17.7
2008-10-01 19
2009-01-01 20.5
2009-04-01 18.4
2009-07-01 17.5
2009-10-01 18.6
2010-01-01 20
2010-04-01 16.4
2010-07-01 17.2
2010-10-01 19.1
2011-01-01 18.7
2011-04-01 14.8
2011-07-01 18.2
2011-10-01 21.4
2012-01-01 19.6
2012-04-01 14.7
2012-07-01 16.7
2012-10-01 18.5
2013-01-01 18.6
2013-04-01 15.1
2013-07-01 15.6
2013-10-01 17.4
2014-01-01 17.9
2014-04-01 13.3
2014-07-01 14.2
2014-10-01 15.9
2015-01-01 15.6
2015-04-01 12.1
2015-07-01 14.2
2015-10-01 14.6
2016-01-01 15.6
2016-04-01 11.9
2016-07-01 12.9
2016-10-01 14.3
2017-01-01 14.4
2017-04-01 12.1
2017-07-01 14.6
2017-10-01 15.4
2018-01-01 16.5
2018-04-01 14.8
