Quarterly Percent
1999-04-01 71.2
2000-04-01 71
2001-04-01 71.3
2002-04-01 71.5
2003-04-01 72.1
2004-04-01 72.1
2005-01-01 73.4
2005-04-01 73.7
2005-07-01 74
2005-10-01 74
2006-01-01 74.6
2006-04-01 74.7
2006-07-01 75.2
2006-10-01 75.4
2007-01-01 75.3
2007-04-01 75.2
2007-07-01 76
2007-10-01 75.9
2008-01-01 75.7
2008-04-01 75.7
2008-07-01 76.2
2008-10-01 76.1
2009-01-01 75.9
2009-04-01 76.2
2009-07-01 76.4
2009-10-01 76.7
2010-01-01 76.5
2010-04-01 76.5
2010-07-01 76.8
2010-10-01 76.9
2011-01-01 76.9
2011-04-01 77.1
2011-07-01 77.5
2011-10-01 77.7
2012-01-01 76.9
2012-04-01 77
2012-07-01 77.5
2012-10-01 77.5
2013-01-01 77.4
2013-04-01 77.6
2013-07-01 77.8
2013-10-01 77.8
2014-01-01 77.5
2014-04-01 77.5
2014-07-01 78
2014-10-01 77.9
2015-01-01 77.6
2015-04-01 77.3
2015-07-01 77.6
2015-10-01 78.0
2016-01-01 77.6
2016-04-01 77.5
2016-07-01 78.3
2016-10-01 78.3
2017-01-01 77.9
2017-04-01 77.9
2017-07-01 78.5
2017-10-01 78.8
2018-01-01 78.3
2018-04-01 78.2
