Quarterly Percent
1999-01-01 11.2
1999-04-01 10.6
1999-07-01 12.6
1999-10-01 10.9
2000-01-01 10.1
2000-04-01 10.4
2000-07-01 12.2
2000-10-01 11.1
2001-01-01 10
2001-04-01 9.5
2001-07-01 11.1
2001-10-01 9.5
2002-01-01 10
2002-04-01 10.2
2002-07-01 14.6
2002-10-01 12.8
2003-01-01 12.9
2003-04-01 12.1
2003-07-01 13.9
2003-10-01 12.5
2004-01-01 12.4
2004-04-01 14.2
2004-07-01 15.7
2004-10-01 15.6
2005-01-01 16.9
2005-04-01 17.9
2005-07-01 22
2005-10-01 19.3
2006-01-01 18.2
2006-04-01 18.6
2006-07-01 21.5
2006-10-01 20.8
2007-01-01 18.3
2007-04-01 17.1
2007-07-01 20.5
2007-10-01 19.4
2008-01-01 19.7
2008-04-01 20.6
2008-07-01 22
2008-10-01 19.2
2009-01-01 24.2
2009-04-01 23.3
2009-07-01 25
2009-10-01 25.5
2010-01-01 24
2010-04-01 23.8
2010-07-01 25.9
2010-10-01 24.9
2011-01-01 23.8
2011-04-01 23
2011-07-01 25
2011-10-01 26.8
2012-01-01 26.7
2012-04-01 25.8
2012-07-01 28.2
2012-10-01 27.7
2013-01-01 30.3
2013-04-01 27.3
2013-07-01 28
2013-10-01 26
2014-01-01 23.2
2014-04-01 21.8
2014-07-01 22.5
2014-10-01 16.5
2015-01-01 17.9
2015-04-01 16.2
2015-07-01 15.5
2015-10-01 14.3
2016-01-01 12.8
2016-04-01 13.7
2016-07-01 13.2
2016-10-01 12.0
2017-01-01 9.3
2017-04-01 11.2
2017-07-01 15.2
2017-10-01 12.5
2018-01-01 11.8
2018-04-01 11.0