Quarterly Percent
1999-04-01 63.1
2000-04-01 64.2
2001-04-01 64.1
2002-04-01 65.3
2003-01-01 64.6
2003-04-01 64.6
2003-07-01 64.6
2003-10-01 64.6
2004-01-01 65.8
2004-04-01 65.8
2004-07-01 65.8
2004-10-01 65.8
2005-01-01 66.6
2005-04-01 66.6
2005-07-01 66.6
2005-10-01 66.6
2006-01-01 66.7
2006-04-01 66.7
2006-07-01 66.7
2006-10-01 66.7
2007-01-01 67
2007-04-01 66.2
2007-07-01 67.4
2007-10-01 66.9
2008-01-01 65.6
2008-04-01 67.8
2008-07-01 67.7
2008-10-01 66.2
2009-01-01 68.4
2009-04-01 69.2
2009-07-01 68.8
2009-10-01 68.5
2010-01-01 68.2
2010-04-01 67.4
2010-07-01 68.8
2010-10-01 68.4
2011-01-01 69.3
2011-04-01 67.4
2011-07-01 67.9
2011-10-01 67.2
2012-01-01 68.7
2012-04-01 68.5
2012-07-01 70.6
2012-10-01 69.9
2013-01-01 69.1
2013-04-01 69.7
2013-07-01 70
2013-10-01 70.6
2014-01-01 70.9
2014-04-01 70.2
2014-07-01 70.5
2014-10-01 71.6
2015-01-01 71.4
2015-04-01 70.9
2015-07-01 71.0
2015-10-01 70.2
2016-01-01 69.5
2016-04-01 69.5
2016-07-01 70.2
2016-10-01 70.7
2017-01-01 70.2
2017-04-01 69.6
2017-07-01 70.9
2017-10-01 70.0
2018-01-01 71.1
2018-04-01 70.0