Quarterly Percent
1998-01-01 67.3
1998-04-01 69.1
1998-07-01 70.6
1998-10-01 67.8
1999-01-01 67.8
1999-04-01 71.7
1999-07-01 70.8
1999-10-01 68.6
2000-01-01 68.4
2000-04-01 72.2
2000-07-01 71.4
2000-10-01 68.9
2001-01-01 68.8
2001-04-01 72.3
2001-07-01 71.4
2001-10-01 69.3
2002-01-01 68.4
2002-04-01 72
2002-07-01 70.9
2002-10-01 68.4
2003-01-01 68
2003-04-01 71.8
2003-07-01 70.9
2003-10-01 68
2004-01-01 67.9
2004-04-01 70.9
2004-07-01 70.3
2004-10-01 67.9
2005-01-01 67.9
2005-04-01 71
2005-07-01 69.8
2005-10-01 68.6
2006-01-01 68.4
2006-04-01 71.2
2006-07-01 71
2006-10-01 68.6
2007-01-01 68
2007-04-01 71.7
2007-07-01 71.2
2007-10-01 69.1
2008-01-01 69.2
2008-04-01 72.9
2008-07-01 71.1
2008-10-01 69.4
2009-01-01 68.4
2009-04-01 71.4
2009-07-01 69.1
2009-10-01 67.3
2010-01-01 68.1
2010-04-01 71
2010-07-01 69.6
2010-10-01 67.6
2011-01-01 68.1
2011-04-01 71.6
2011-07-01 69.5
2011-10-01 68.1
2012-01-01 67.8
2012-04-01 71
2012-07-01 69.4
2012-10-01 67.5
2013-01-01 66.9
2013-04-01 70.6
2013-07-01 68.8
2013-10-01 66.5
2014-01-01 66.7
2014-04-01 70
2014-07-01 68.1
2014-10-01 67.3
2015-01-01 67.0
2015-04-01 69.8
2015-07-01 68.5
2015-10-01 66.8
2016-01-01 67.0
2016-04-01 70.1
2016-07-01 68.3
2016-10-01 67.1
2017-01-01 67.0
2017-04-01 70.3
2017-07-01 69.1
2017-10-01 68.2
2018-01-01 67.9
2018-04-01 70.7