Quarterly Percent
1998-04-01 71.9
1999-04-01 72.2
2000-04-01 71.6
2001-04-01 73.2
2002-04-01 73.9
2003-04-01 74.1
2004-04-01 73.9
2005-04-01 74.3
2006-04-01 74.7
2007-04-01 75
2008-04-01 76.6
2009-04-01 77.1
2010-01-01 75.3
2010-04-01 74.9
2010-07-01 75.6
2010-10-01 75.3
2011-01-01 76.2
2011-04-01 76.0
2011-07-01 76.1
2011-10-01 76.8
2012-01-01 76.6
2012-04-01 76.5
2012-07-01 77.1
2012-10-01 76.6
2013-01-01 77.0
2013-04-01 76.9
2013-07-01 77.1
2013-10-01 77.3
2014-01-01 77.3
2014-04-01 77.8
2014-07-01 77.9
2014-10-01 79.2
2015-01-01 78.4
2015-04-01 78.3
2015-07-01 78.5
2015-10-01 79.3
2016-01-01 80.1
2016-04-01 79.0
2016-07-01 79.1
2016-10-01 79.8
2017-01-01 79.6
2017-04-01 78.7
2017-07-01 79.4
2017-10-01 79.7
2018-01-01 79.7
2018-04-01 79.3
