Quarterly Percent
1998-04-01 26.2
1998-10-01 27.9
1999-04-01 19.6
1999-10-01 25.1
2000-04-01 21.7
2000-10-01 25.8
2002-01-01 24.4
2002-04-01 25.4
2002-07-01 23.0
2002-10-01 22.3
2003-01-01 23.4
2003-04-01 26.6
2003-07-01 18.2
2003-10-01 22.3
2004-01-01 21.2
2004-04-01 30.8
2004-07-01 21.7
2004-10-01 27.0
2005-01-01 17.7
2005-04-01 23.3
2005-07-01 12.2
2005-10-01 19.7
2006-01-01 15.5
2006-04-01 20.3
2006-07-01 12.9
2006-10-01 16.3
2007-01-01 9.8
2007-04-01 12.3
2007-07-01 9.9
2007-10-01 7.7
2008-01-01 8.3
2008-04-01 13.4
2008-07-01 12.3
2008-10-01 19.8
2009-01-01 24.9
2009-04-01 24.9
2009-07-01 29.7
2009-10-01 36.6
2010-01-01 34.7
2010-04-01 32.9
2010-07-01 33.5
2010-10-01 38.2
2011-01-01 32.0
2011-04-01 36.4
2011-07-01 26.7
2011-10-01 27.3
2012-01-01 30.2
2012-04-01 32.7
2012-07-01 31.8
2012-10-01 23.4
2013-01-01 24.6
2013-04-01 21.0
2013-07-01 31.1
2013-10-01 22.1
2014-01-01 16.1
2014-04-01 20.5
2014-07-01 21.3
2014-10-01 21.8
2015-01-01 16.6
2015-04-01 10.6
2015-07-01 12.7
2015-10-01 16.3
2016-01-01 13.3
2016-04-01 11.1
2016-07-01 13.5
2016-10-01 10.7
2017-01-01 16.8
2017-04-01 15.3
2017-07-01 17.4
2017-10-01 11.7
2018-01-01 15.5