Quarterly Percent
1999-04-01 85.4
2000-04-01 87.1
2001-04-01 86.9
2002-04-01 85
2003-01-01 81.4
2003-04-01 84.3
2003-07-01 85.6
2003-10-01 81.7
2004-01-01 80.5
2004-04-01 83.2
2004-07-01 83.8
2004-10-01 81.6
2005-01-01 81.3
2005-04-01 85.1
2005-07-01 85.4
2005-10-01 83.3
2006-01-01 82.8
2006-04-01 85.5
2006-07-01 85.9
2006-10-01 84.2
2007-01-01 84.6
2007-04-01 86
2007-07-01 86
2007-10-01 84
2008-01-01 82.8
2008-04-01 85.5
2008-07-01 84.6
2008-10-01 81.4
2009-01-01 76.9
2009-04-01 77.9
2009-07-01 80.4
2009-10-01 78.1
2010-01-01 77
2010-04-01 79
2010-07-01 79.2
2010-10-01 77.5
2011-01-01 77
2011-04-01 79.7
2011-07-01 79.6
2011-10-01 77.6
2012-01-01 77.1
2012-04-01 80.8
2012-07-01 81.4
2012-10-01 79.4
2013-01-01 78.3
2013-04-01 81.6
2013-07-01 83.5
2013-10-01 81
2014-01-01 80.1
2014-04-01 84.3
2014-07-01 84.7
2014-10-01 82.7
2015-01-01 82.9
2015-04-01 85.6
2015-07-01 86.1
2015-10-01 84.3
2016-01-01 84.6
2016-04-01 87.4
2016-07-01 88.0
2016-10-01 86.1
2017-01-01 85.7
2017-04-01 87.8
2017-07-01 86.2
2017-10-01 84.7
2018-01-01 83.8
2018-04-01 85.3
