Quarterly Percent
1998-04-01 60.2
1998-10-01 61.4
1999-04-01 65.2
1999-10-01 63.9
2000-04-01 68.2
2000-10-01 69.4
2001-04-01 68.9
2001-10-01 67.4
2002-01-01 67.1
2002-04-01 66.1
2002-07-01 66.0
2002-10-01 69.1
2003-01-01 68.5
2003-04-01 67.7
2003-07-01 67.7
2003-10-01 68.4
2004-01-01 68.3
2004-04-01 69.4
2004-07-01 68.7
2004-10-01 65.8
2005-01-01 71.6
2005-04-01 63.7
2005-07-01 68.3
2005-10-01 68.6
2006-01-01 69.4
2006-04-01 64.2
2006-07-01 64.7
2006-10-01 65.8
2007-01-01 67.0
2007-04-01 61.4
2007-07-01 64.9
2007-10-01 63.5
2008-01-01 61.2
2008-04-01 60.7
2008-07-01 62.4
2008-10-01 69.6
2009-01-01 64.4
2009-04-01 67.0
2009-07-01 62.0
2009-10-01 63.1
2010-01-01 62.8
2010-04-01 63.4
2010-07-01 59.6
2010-10-01 65.5
2011-01-01 68.6
2011-04-01 65.0
2011-07-01 66.8
2011-10-01 64.9
2012-01-01 64.2
2012-04-01 62.8
2012-07-01 65.9
2012-10-01 62.8
2013-01-01 66.2
2013-04-01 66.1
2013-07-01 60.0
2013-10-01 63.8
2014-01-01 66.8
2014-04-01 64.8
2014-07-01 64.5
2014-10-01 62.6
2015-01-01 62.1
2015-04-01 64.0
2015-07-01 66.0
2015-10-01 59.4
2016-01-01 62.1
2016-04-01 63.6
2016-07-01 65.8
2016-10-01 64.9
2017-01-01 65.8
2017-04-01 59.3
2017-07-01 61.6
2017-10-01 67.3
2018-01-01 63.2
2018-04-01 63.4