Quarterly Percent
1999-04-01 72.4
2000-04-01 72.7
2001-04-01 72.6
2002-04-01 71.8
2003-04-01 70.9
2004-04-01 70
2005-01-01 70.3
2005-04-01 71.1
2005-07-01 71.8
2005-10-01 71.8
2006-01-01 71.4
2006-04-01 72.5
2006-07-01 73.5
2006-10-01 73.7
2007-01-01 73.6
2007-04-01 74.4
2007-07-01 75.3
2007-10-01 75.3
2008-01-01 75
2008-04-01 75.5
2008-07-01 76.7
2008-10-01 76.2
2009-01-01 75
2009-04-01 75.1
2009-07-01 75.6
2009-10-01 75.9
2010-01-01 75.3
2010-04-01 76.1
2010-07-01 76.7
2010-10-01 76.9
2011-01-01 76.5
2011-04-01 77.4
2011-07-01 77.9
2011-10-01 78.6
2012-01-01 77.1
2012-04-01 77.7
2012-07-01 78.4
2012-10-01 78.4
2013-01-01 77.1
2013-04-01 78
2013-07-01 78.2
2013-10-01 78.5
2014-01-01 77.5
2014-04-01 77.6
2014-07-01 78.6
2014-10-01 78.5
2015-01-01 77.6
2015-04-01 77.3
2015-07-01 78.3
2015-10-01 78.7
2016-01-01 77.8
2016-04-01 78.0
2016-07-01 78.9
2016-10-01 79.0
2017-01-01 78.1
2017-04-01 78.6
2017-07-01 79.3
2017-10-01 79.6
2018-01-01 79.1
2018-04-01 79.2
