Quarterly Percent
1998-04-01 8.4
1999-04-01 6.7
2000-04-01 4.9
2001-01-01 4.2
2001-04-01 3.7
2001-07-01 3.9
2001-10-01 3.7
2002-01-01 4.2
2002-04-01 3.9
2002-07-01 4.2
2002-10-01 3.9
2003-01-01 4.8
2003-04-01 4.5
2003-07-01 4.8
2003-10-01 4.9
2004-01-01 5.7
2004-04-01 5.3
2004-07-01 5.4
2004-10-01 5.1
2005-01-01 5.6
2005-04-01 6.3
2005-07-01 6.1
2005-10-01 5.9
2006-01-01 6.3
2006-04-01 5.5
2006-07-01 4.9
2006-10-01 4.6
2007-01-01 4.9
2007-04-01 4.5
2007-07-01 4.2
2007-10-01 4.0
2008-01-01 4.5
2008-04-01 4.2
2008-07-01 4.1
2008-10-01 4.5
2009-01-01 5.8
2009-04-01 6.2
2009-07-01 6.3
2009-10-01 6.5
2010-01-01 7.2
2010-04-01 6.6
2010-07-01 6.2
2010-10-01 5.8
2011-01-01 6.2
2011-04-01 5.8
2011-07-01 5.5
2011-10-01 5.6
2012-01-01 6.1
2012-04-01 5.8
2012-07-01 5.8
2012-10-01 5.9
2013-01-01 6.4
2013-04-01 6.0
2013-07-01 5.9
2013-10-01 6.0
2014-01-01 6.5
2014-04-01 6.0
2014-07-01 5.7
2014-10-01 5.7
2015-01-01 6.5
2015-04-01 6.0
2015-07-01 5.3
2015-10-01 5.4
2016-01-01 5.9
2016-04-01 5.4
2016-07-01 5.3
2016-10-01 5.4
2017-01-01 5.6
2017-04-01 5.4
2017-07-01 5.3
2017-10-01 5.2
2018-01-01 5.5
2018-04-01 5.3