Quarterly Percent
1998-01-01 5.5
1998-04-01 4.2
1998-07-01 4.2
1998-10-01 4.3
1999-01-01 4.4
1999-04-01 4.2
1999-07-01 4.0
1999-10-01 4.0
2000-01-01 3.9
2000-04-01 3.4
2000-07-01 3.6
2000-10-01 3.3
2001-01-01 3.7
2001-04-01 3.4
2001-07-01 3.4
2001-10-01 3.5
2002-01-01 3.8
2002-04-01 4.0
2002-07-01 4.4
2002-10-01 5.6
2003-01-01 6.0
2003-04-01 5.8
2003-07-01 5.6
2003-10-01 5.8
2004-01-01 5.7
2004-04-01 5.8
2004-07-01 6.1
2004-10-01 6.5
2005-01-01 7.1
2005-04-01 6.9
2005-07-01 7.2
2005-10-01 7.7
2006-01-01 7.4
2006-04-01 7.1
2006-07-01 7.1
2006-10-01 7.8
2007-01-01 8.1
2007-04-01 7.7
2007-07-01 7.7
2007-10-01 7.5
2008-01-01 7.1
2008-04-01 7.0
2008-07-01 7.4
2008-10-01 7.4
2009-01-01 8.5
2009-04-01 8.9
2009-07-01 9.7
2009-10-01 9.9
2010-01-01 10.4
2010-04-01 10.6
2010-07-01 10.7
2010-10-01 11
2011-01-01 11.9
2011-04-01 11.4
2011-07-01 11.5
2011-10-01 12.9
2012-01-01 14
2012-04-01 14.1
2012-07-01 14.7
2012-10-01 16
2013-01-01 16.8
2013-04-01 15.8
2013-07-01 14.8
2013-10-01 14.6
2014-01-01 14
2014-04-01 12.8
2014-07-01 12
2014-10-01 12
2015-01-01 12.4
2015-04-01 10.9
2015-07-01 10.6
2015-10-01 10.9
2016-01-01 11.4
2016-04-01 9.8
2016-07-01 9.7
2016-10-01 9.2
2017-01-01 9.2
2017-04-01 8.1
2017-07-01 7.3
2017-10-01 7.0
2018-01-01 7.0
2018-04-01 5.9