Quarterly Percent
1998-01-01 7.4
1998-04-01 5.7
1998-07-01 6.1
1998-10-01 6.1
1999-01-01 5.9
1999-04-01 5.1
1999-07-01 5.0
1999-10-01 5.1
2000-01-01 5.4
2000-04-01 4.8
2000-07-01 5.1
2000-10-01 4.9
2001-01-01 5.5
2001-04-01 5.0
2001-07-01 4.8
2001-10-01 5.1
2002-01-01 5.3
2002-04-01 5.4
2002-07-01 6.2
2002-10-01 7.6
2003-01-01 7.4
2003-04-01 7.4
2003-07-01 7.0
2003-10-01 7.6
2004-01-01 7.5
2004-04-01 7.3
2004-07-01 7.9
2004-10-01 8.0
2005-01-01 8.7
2005-04-01 8.1
2005-07-01 8.9
2005-10-01 9.2
2006-01-01 9.2
2006-04-01 8.4
2006-07-01 9.0
2006-10-01 9.6
2007-01-01 10
2007-04-01 9.5
2007-07-01 9.4
2007-10-01 9.7
2008-01-01 9.0
2008-04-01 8.4
2008-07-01 9.1
2008-10-01 9.1
2009-01-01 9.8
2009-04-01 9.7
2009-07-01 10.8
2009-10-01 10.8
2010-01-01 11.6
2010-04-01 11.7
2010-07-01 12.5
2010-10-01 12.4
2011-01-01 13
2011-04-01 12.5
2011-07-01 13.1
2011-10-01 14.2
2012-01-01 15.2
2012-04-01 15
2012-07-01 15.5
2012-10-01 17.1
2013-01-01 17.6
2013-04-01 16.7
2013-07-01 16
2013-10-01 16
2014-01-01 15.3
2014-04-01 14.5
2014-07-01 14.2
2014-10-01 13.9
2015-01-01 14.5
2015-04-01 11.9
2015-07-01 12.4
2015-10-01 12.5
2016-01-01 12.5
2016-04-01 11.0
2016-07-01 10.8
2016-10-01 10.6
2017-01-01 10.5
2017-04-01 9.4
2017-07-01 9.3
2017-10-01 8.5
2018-01-01 8.1
2018-04-01 7.1