Quarterly Percent
1999-01-01 10.2
1999-04-01 9.0
1999-07-01 8.6
1999-10-01 8.8
2000-01-01 8.6
2000-04-01 7.9
2000-07-01 7.5
2000-10-01 7.8
2001-01-01 6.7
2001-04-01 6.2
2001-07-01 6.1
2001-10-01 6.4
2002-01-01 7.1
2002-04-01 6.7
2002-07-01 7.0
2002-10-01 7.2
2003-01-01 7.4
2003-04-01 7.0
2003-07-01 7.0
2003-10-01 7.3
2004-01-01 7.5
2004-04-01 7.0
2004-07-01 7.0
2004-10-01 6.6
2005-01-01 6.6
2005-04-01 6.1
2005-07-01 5.5
2005-10-01 5.6
2006-01-01 5.7
2006-04-01 5.4
2006-07-01 5.1
2006-10-01 5.3
2007-01-01 5.5
2007-04-01 5.1
2007-07-01 5.2
2007-10-01 5.9
2008-01-01 6.8
2008-04-01 7.9
2008-07-01 9.1
2008-10-01 11.8
2009-01-01 15.6
2009-04-01 15.9
2009-07-01 16
2009-10-01 17.1
2010-01-01 18.3
2010-04-01 17.8
2010-07-01 17.5
2010-10-01 18.1
2011-01-01 19
2011-04-01 18.7
2011-07-01 19.2
2011-10-01 20.6
2012-01-01 22.3
2012-04-01 22.9
2012-07-01 23
2012-10-01 23.9
2013-01-01 24.9
2013-04-01 23.7
2013-07-01 23.4
2013-10-01 23.2
2014-01-01 23.6
2014-04-01 21.8
2014-07-01 20.4
2014-10-01 20.9
2015-01-01 21.0
2015-04-01 19.1
2015-07-01 18.0
2015-10-01 17.7
2016-01-01 17.8
2016-04-01 16.5
2016-07-01 15.7
2016-10-01 15.4
2017-01-01 15.5
2017-04-01 13.8
2017-07-01 13.0
2017-10-01 13.3
2018-01-01 13.6
2018-04-01 12.0
2018-07-01 11.6
