Quarterly Percent
1999-04-01 8.6
1999-07-01 9.6
1999-10-01 8.0
2000-01-01 7.0
2000-04-01 6.5
2000-07-01 7.5
2000-10-01 6.6
2001-01-01 5.9
2001-04-01 6.2
2001-07-01 8.6
2001-10-01 7.6
2002-01-01 7.8
2002-04-01 7.8
2002-07-01 9.4
2002-10-01 8.7
2003-01-01 8.5
2003-04-01 8.1
2003-07-01 10.9
2003-10-01 8.9
2004-01-01 7.9
2004-04-01 8.3
2004-07-01 10.5
2004-10-01 8.9
2005-01-01 7.5
2005-04-01 8.2
2005-07-01 9.7
2005-10-01 8.7
2006-01-01 7.9
2006-04-01 8.3
2006-07-01 10.7
2006-10-01 7.3
2007-01-01 8.3
2007-04-01 10.4
2007-07-01 9.3
2007-10-01 8.6
2008-01-01 9.7
2008-04-01 12.6
2008-07-01 15.4
2008-10-01 16.2
2009-01-01 19.5
2009-04-01 26.0
2009-07-01 26.4
2009-10-01 26.2
2010-01-01 26.2
2010-04-01 28.8
2010-07-01 28.4
2010-10-01 29.3
2011-01-01 27.9
2011-04-01 30.4
2011-07-01 30.4
2011-10-01 29.6
2012-01-01 30.1
2012-04-01 33.4
2012-07-01 31.5
2012-10-01 28.0
2013-01-01 26.9
2013-04-01 29.6
2013-07-01 26.4
2013-10-01 23.9
2014-01-01 24.9
2014-04-01 26.5
2014-07-01 22.7
2014-10-01 19.6
2015-01-01 21.2
2015-04-01 21.5
2015-07-01 20.0
2015-10-01 18.2
2016-01-01 16.6
2016-04-01 18.4
2016-07-01 17.2
2016-10-01 14.8
2017-01-01 13.0
2017-04-01 16.1
2017-07-01 16.1
2017-10-01 12.2
2018-01-01 12.5
2018-04-01 15.4