Quarterly Percent
1999-01-01 69.5
1999-04-01 69
1999-07-01 69.7
1999-10-01 69.7
2000-01-01 69.9
2000-04-01 69.5
2000-07-01 70
2000-10-01 70.1
2001-01-01 70.3
2001-04-01 70.4
2001-07-01 70.7
2001-10-01 70.4
2002-01-01 69.8
2002-04-01 69.5
2002-07-01 70
2002-10-01 70.1
2003-01-01 69.8
2003-04-01 69.8
2003-07-01 70.3
2003-10-01 70.1
2004-01-01 69.7
2004-04-01 69.7
2004-07-01 69.9
2004-10-01 69.5
2005-01-01 69.1
2005-04-01 68.6
2005-07-01 68.9
2005-10-01 69.2
2006-01-01 68.6
2006-04-01 68.6
2006-07-01 68.8
2006-10-01 68.6
2007-01-01 68
2007-04-01 68
2007-07-01 68.5
2007-10-01 68.7
2008-01-01 68.5
2008-04-01 68.6
2008-07-01 69.3
2008-10-01 68.9
2009-01-01 68.1
2009-04-01 68.1
2009-07-01 68.8
2009-10-01 68.7
2010-01-01 68.4
2010-04-01 68.5
2010-07-01 68.9
2010-10-01 68.9
2011-01-01 68.4
2011-04-01 68.5
2011-07-01 68.8
2011-10-01 69.1
2012-01-01 69.4
2012-04-01 69.3
2012-07-01 69.6
2012-10-01 69.4
2013-01-01 70
2013-04-01 69.7
2013-07-01 69.9
2013-10-01 69.8
2014-01-01 70.1
2014-04-01 70
2014-07-01 70.4
2014-10-01 70.6
2015-01-01 70.8
2015-04-01 70.5
2015-07-01 71.1
2015-10-01 71.3
2016-01-01 71.6
2016-04-01 71.9
2016-07-01 72.0
2016-10-01 72.0
2017-01-01 72.1
2017-04-01 72.0
2017-07-01 72.2
2017-10-01 72.1
2018-01-01 72.2
2018-04-01 72.0