Quarterly Percent
1999-04-01 54.6
2000-04-01 54.6
2001-04-01 55.2
2002-04-01 55.4
2003-04-01 55.9
2004-04-01 55.6
2005-01-01 57.3
2005-04-01 57.1
2005-07-01 57.3
2005-10-01 57.6
2006-01-01 58.1
2006-04-01 58.2
2006-07-01 58.5
2006-10-01 58.8
2007-01-01 58.3
2007-04-01 58.6
2007-07-01 59.2
2007-10-01 59.5
2008-01-01 58.7
2008-04-01 58.5
2008-07-01 59.4
2008-10-01 59.7
2009-01-01 59
2009-04-01 59.3
2009-07-01 59.5
2009-10-01 60.6
2010-01-01 59.8
2010-04-01 59.9
2010-07-01 60.2
2010-10-01 60.6
2011-01-01 60.7
2011-04-01 61.3
2011-07-01 61.8
2011-10-01 61.9
2012-01-01 61.1
2012-04-01 61.5
2012-07-01 62
2012-10-01 62.1
2013-01-01 62.3
2013-04-01 62.6
2013-07-01 62.8
2013-10-01 62.7
2014-01-01 62.9
2014-04-01 63.1
2014-07-01 63.4
2014-10-01 63.3
2015-01-01 63.2
2015-04-01 63.3
2015-07-01 63.4
2015-10-01 63.7
2016-01-01 64.1
2016-04-01 64.0
2016-07-01 64.8
2016-10-01 64.9
2017-01-01 64.4
2017-04-01 64.5
2017-07-01 65.2
2017-10-01 65.5
2018-01-01 64.6
2018-04-01 64.6
