Quarterly Percent
1999-04-01 87
2000-04-01 85.4
2001-04-01 86.1
2002-04-01 87.1
2003-01-01 83.4
2003-04-01 82.4
2003-07-01 82.3
2003-10-01 83.9
2004-01-01 82.4
2004-04-01 78.9
2004-07-01 80.7
2004-10-01 85
2005-01-01 83.3
2005-04-01 82.9
2005-07-01 83.7
2005-10-01 87.3
2006-01-01 85.7
2006-04-01 84.3
2006-07-01 83
2006-10-01 84.4
2007-01-01 86.7
2007-04-01 84.4
2007-07-01 82.9
2007-10-01 84.7
2008-01-01 83
2008-04-01 85.4
2008-07-01 81.5
2008-10-01 81.8
2009-01-01 79.7
2009-04-01 78.3
2009-07-01 80.2
2009-10-01 82.6
2010-01-01 80.2
2010-04-01 78.6
2010-07-01 79.6
2010-10-01 80.9
2011-01-01 77.8
2011-04-01 77.5
2011-07-01 79.6
2011-10-01 81.8
2012-01-01 78.4
2012-04-01 78.6
2012-07-01 79.7
2012-10-01 79.6
2013-01-01 79.9
2013-04-01 81.1
2013-07-01 81.9
2013-10-01 81.7
2014-01-01 83.1
2014-04-01 85.3
2014-07-01 85.4
2014-10-01 85.4
2015-01-01 84.8
2015-04-01 83.7
2015-07-01 86.4
2015-10-01 84.0
2016-01-01 84.7
2016-04-01 84.7
2016-07-01 85.6
2016-10-01 83.3
2017-01-01 85.0
2017-04-01 84.3
2017-07-01 83.0
2017-10-01 83.2
2018-01-01 79.3
2018-04-01 79.6
