Quarterly Percent
1998-04-01 90.7
1999-04-01 90.2
2000-04-01 88.6
2001-01-01 90.4
2001-04-01 90.4
2001-07-01 90.7
2001-10-01 90.1
2002-01-01 89.8
2002-04-01 89.8
2002-07-01 90.1
2002-10-01 89.5
2003-01-01 89.3
2003-04-01 89.9
2003-07-01 90.4
2003-10-01 90.1
2004-01-01 90
2004-04-01 90.5
2004-07-01 90.2
2004-10-01 89.2
2005-01-01 89.3
2005-04-01 92.4
2005-07-01 92.6
2005-10-01 92.4
2006-01-01 92.1
2006-04-01 92.4
2006-07-01 93
2006-10-01 92.6
2007-01-01 92.5
2007-04-01 93.2
2007-07-01 93.2
2007-10-01 92.5
2008-01-01 92.8
2008-04-01 93.3
2008-07-01 93.4
2008-10-01 92.9
2009-01-01 92.7
2009-04-01 93.1
2009-07-01 92.9
2009-10-01 92.7
2010-01-01 92.7
2010-04-01 93.2
2010-07-01 93.2
2010-10-01 92.7
2011-01-01 92.8
2011-04-01 93.3
2011-07-01 93.4
2011-10-01 93.2
2012-01-01 93
2012-04-01 93.7
2012-07-01 93.8
2012-10-01 93.6
2013-01-01 93.5
2013-04-01 93.7
2013-07-01 93.7
2013-10-01 93.4
2014-01-01 93.3
2014-04-01 93.5
2014-07-01 93.9
2014-10-01 93.3
2015-01-01 93.2
2015-04-01 93.7
2015-07-01 93.4
2015-10-01 93.2
2016-01-01 93.0
2016-04-01 93.5
2016-07-01 93.6
2016-10-01 93.2
2017-01-01 93.3
2017-04-01 93.8
2017-07-01 94.0
2017-10-01 93.4
2018-01-01 93.3
2018-04-01 93.9
