Quarterly Percent
1999-04-01 87.2
2000-04-01 88.8
2001-04-01 88.6
2002-04-01 87.6
2003-01-01 84.7
2003-04-01 88
2003-07-01 87.9
2003-10-01 84.3
2004-01-01 83.1
2004-04-01 86.8
2004-07-01 85.9
2004-10-01 83.7
2005-01-01 83.9
2005-04-01 87.7
2005-07-01 86.8
2005-10-01 85.6
2006-01-01 84.8
2006-04-01 89.1
2006-07-01 88
2006-10-01 86.3
2007-01-01 86.2
2007-04-01 88.8
2007-07-01 87.7
2007-10-01 85.7
2008-01-01 84.7
2008-04-01 88.3
2008-07-01 86.8
2008-10-01 84.9
2009-01-01 83
2009-04-01 85.9
2009-07-01 85.7
2009-10-01 83.8
2010-01-01 83.4
2010-04-01 86.8
2010-07-01 84.9
2010-10-01 83.9
2011-01-01 83.6
2011-04-01 87.2
2011-07-01 84.6
2011-10-01 82.7
2012-01-01 83
2012-04-01 87.3
2012-07-01 85.7
2012-10-01 83.5
2013-01-01 83.2
2013-04-01 87.7
2013-07-01 87.4
2013-10-01 84.9
2014-01-01 85.1
2014-04-01 89.6
2014-07-01 88.3
2014-10-01 86.4
2015-01-01 86.7
2015-04-01 90.4
2015-07-01 89.3
2015-10-01 87.1
2016-01-01 87.6
2016-04-01 90.9
2016-07-01 90.4
2016-10-01 88.5
2017-01-01 88.3
2017-04-01 91.1
2017-07-01 88.2
2017-10-01 87.0
2018-01-01 86.4
2018-04-01 88.5
