Quarterly Percent
1998-04-01 67.4
1999-04-01 69
2000-04-01 68.4
2001-04-01 67.8
2002-04-01 69.3
2003-04-01 69.4
2004-04-01 67.1
2005-04-01 65.7
2006-04-01 68.6
2007-04-01 67.4
2008-04-01 67.1
2009-04-01 67.3
2010-01-01 68.0
2010-04-01 66.5
2010-07-01 70.5
2010-10-01 67.4
2011-01-01 68.0
2011-04-01 66.8
2011-07-01 70.2
2011-10-01 69.2
2012-01-01 67.2
2012-04-01 65.2
2012-07-01 70.0
2012-10-01 67.9
2013-01-01 68.4
2013-04-01 66.2
2013-07-01 68.5
2013-10-01 69.0
2014-01-01 67.2
2014-04-01 66.4
2014-07-01 68.8
2014-10-01 69.2
2015-01-01 66.4
2015-04-01 65.6
2015-07-01 68.6
2015-10-01 69.4
2016-01-01 68.3
2016-04-01 65.8
2016-07-01 69.1
2016-10-01 70.1
2017-01-01 68.4
2017-04-01 66.6
2017-07-01 70.9
2017-10-01 68.8
2018-01-01 66.8
2018-04-01 65.6
