Quarterly Percent
1999-04-01 83.7
2000-01-01 84.4
2000-04-01 84.5
2000-07-01 82.9
2000-10-01 83.5
2001-01-01 83.9
2001-04-01 81.5
2001-07-01 84
2001-10-01 82.8
2002-01-01 81.7
2002-04-01 80.2
2002-07-01 81.1
2002-10-01 82.3
2003-01-01 82.9
2003-04-01 82
2003-07-01 82
2003-10-01 82.7
2004-01-01 83.5
2004-04-01 82.6
2004-07-01 83.3
2004-10-01 82.6
2005-01-01 84
2005-04-01 83.6
2005-07-01 81.3
2005-10-01 84.1
2006-01-01 86.2
2006-04-01 86.5
2006-07-01 84.7
2006-10-01 84.8
2007-01-01 82.7
2007-04-01 84
2007-07-01 84.6
2007-10-01 83.3
2008-01-01 82.5
2008-04-01 83.1
2008-07-01 85.2
2008-10-01 84
2009-01-01 83.3
2009-04-01 83.7
2009-07-01 82.8
2009-10-01 85.3
2010-01-01 86.2
2010-04-01 85.1
2010-07-01 83.5
2010-10-01 84.3
2011-01-01 83.7
2011-04-01 84.4
2011-07-01 86.5
2011-10-01 84.2
2012-01-01 82.9
2012-04-01 83.4
2012-07-01 83.8
2012-10-01 84
2013-01-01 83
2013-04-01 81.6
2013-07-01 82.5
2013-10-01 84.6
2014-01-01 81.5
2014-04-01 81.9
2014-07-01 82.3
2014-10-01 82.3
2015-01-01 81.5
2015-04-01 83.0
2015-07-01 83.6
2015-10-01 84.0
2016-01-01 82.2
2016-04-01 81.9
2016-07-01 81.5
2016-10-01 81.5
2017-01-01 83.3
2017-04-01 83.7
2017-07-01 83.0
2017-10-01 84.8
2018-01-01 83.0
2018-04-01 82.1
