Quarterly Percent
1999-04-01 62.8
2000-04-01 62.4
2001-04-01 62.6
2002-04-01 62.5
2003-04-01 62.7
2004-04-01 62.4
2005-01-01 63.8
2005-04-01 63.9
2005-07-01 64.1
2005-10-01 64.1
2006-01-01 64.3
2006-04-01 64.5
2006-07-01 64.8
2006-10-01 65.1
2007-01-01 64.4
2007-04-01 64.7
2007-07-01 65.3
2007-10-01 65.4
2008-01-01 64.8
2008-04-01 64.7
2008-07-01 65.6
2008-10-01 65.5
2009-01-01 65
2009-04-01 65.1
2009-07-01 65.5
2009-10-01 66.1
2010-01-01 65.6
2010-04-01 65.6
2010-07-01 66
2010-10-01 66.2
2011-01-01 66.2
2011-04-01 66.8
2011-07-01 67.2
2011-10-01 67.3
2012-01-01 66.6
2012-04-01 66.9
2012-07-01 67.6
2012-10-01 67.5
2013-01-01 67.3
2013-04-01 67.8
2013-07-01 68
2013-10-01 67.9
2014-01-01 67.8
2014-04-01 67.9
2014-07-01 68.5
2014-10-01 68.4
2015-01-01 68.1
2015-04-01 67.9
2015-07-01 68.3
2015-10-01 68.7
2016-01-01 68.7
2016-04-01 68.6
2016-07-01 69.5
2016-10-01 69.6
2017-01-01 69.0
2017-04-01 69.2
2017-07-01 69.8
2017-10-01 70.0
2018-01-01 69.3
2018-04-01 69.3
