Quarterly Percent
1998-01-01 9.5
1998-04-01 8.5
1998-07-01 7.8
1998-10-01 8.5
1999-01-01 8.7
1999-04-01 7.7
1999-07-01 6.7
1999-10-01 6.6
2000-01-01 7.9
2000-04-01 5.5
2000-07-01 6.7
2000-10-01 6.3
2001-01-01 6.3
2001-04-01 6.5
2001-07-01 7.7
2001-10-01 8.5
2002-01-01 9.1
2002-04-01 9.2
2002-07-01 10.8
2002-10-01 10.3
2003-01-01 11.4
2003-04-01 10.8
2003-07-01 13.3
2003-10-01 14.7
2004-01-01 14.2
2004-04-01 12.6
2004-07-01 13.9
2004-10-01 13.8
2005-01-01 13.2
2005-04-01 13.8
2005-07-01 13.7
2005-10-01 14.9
2006-01-01 14.4
2006-04-01 14.4
2006-07-01 15.1
2006-10-01 15.8
2007-01-01 16.4
2007-04-01 12.4
2007-07-01 13.1
2007-10-01 13.3
2008-01-01 13.5
2008-04-01 11.9
2008-07-01 13.7
2008-10-01 15.4
2009-01-01 18.9
2009-04-01 19.2
2009-07-01 16.7
2009-10-01 21.4
2010-01-01 22.7
2010-04-01 21.2
2010-07-01 22.1
2010-10-01 20.5
2011-01-01 26.6
2011-04-01 27.3
2011-07-01 28.2
2011-10-01 33.9
2012-01-01 35.9
2012-04-01 35.1
2012-07-01 37.7
2012-10-01 38.3
2013-01-01 40.1
2013-04-01 35.1
2013-07-01 37.3
2013-10-01 34.2
2014-01-01 37.1
2014-04-01 36.5
2014-07-01 30
2014-10-01 33.4
2015-01-01 30.1
2015-04-01 28.1
2015-07-01 28.1
2015-10-01 32.0
2016-01-01 30.1
2016-04-01 25.8
2016-07-01 25.3
2016-10-01 27.9
2017-01-01 24.0
2017-04-01 22.8
2017-07-01 21.6
2017-10-01 21.4
2018-01-01 23.5
2018-04-01 17.5
