Quarterly Percent
1998-01-01 59.2
1998-04-01 60.2
1998-07-01 63.9
1998-10-01 61.4
1999-01-01 60.3
1999-04-01 63.9
1999-07-01 65.2
1999-10-01 62.5
2000-01-01 61.1
2000-04-01 64.7
2000-07-01 66.2
2000-10-01 63.4
2001-01-01 62.4
2001-04-01 65.1
2001-07-01 66.2
2001-10-01 63.7
2002-01-01 61.8
2002-04-01 64.3
2002-07-01 65.3
2002-10-01 62.7
2003-01-01 61.3
2003-04-01 63.9
2003-07-01 65.5
2003-10-01 62.4
2004-01-01 61.3
2004-04-01 63.7
2004-07-01 65.2
2004-10-01 62.6
2005-01-01 61.5
2005-04-01 64.2
2005-07-01 65.2
2005-10-01 63.7
2006-01-01 62.7
2006-04-01 65
2006-07-01 66.6
2006-10-01 64.3
2007-01-01 62.9
2007-04-01 66.5
2007-07-01 67.4
2007-10-01 65
2008-01-01 64.8
2008-04-01 67.8
2008-07-01 67.6
2008-10-01 65.3
2009-01-01 62.7
2009-04-01 63.9
2009-07-01 63.8
2009-10-01 61.3
2010-01-01 60.9
2010-04-01 63.7
2010-07-01 64.4
2010-10-01 62.1
2011-01-01 61.8
2011-04-01 64.8
2011-07-01 64.5
2011-10-01 62.9
2012-01-01 61.8
2012-04-01 64.3
2012-07-01 64.4
2012-10-01 62.2
2013-01-01 60.5
2013-04-01 63.5
2013-07-01 63.7
2013-10-01 61.1
2014-01-01 60.1
2014-04-01 62.7
2014-07-01 62.7
2014-10-01 61.1
2015-01-01 60.0
2015-04-01 62.0
2015-07-01 62.7
2015-10-01 60.6
2016-01-01 60.1
2016-04-01 63.0
2016-07-01 63.2
2016-10-01 61.5
2017-01-01 60.4
2017-04-01 63.2
2017-07-01 64.0
2017-10-01 62.7
2018-01-01 62.0
2018-04-01 64.7