Quarterly Percent
1999-04-01 82.3
2000-04-01 83.2
2001-04-01 85.6
2002-04-01 81.9
2003-01-01 78.8
2003-04-01 78.8
2003-07-01 78.8
2003-10-01 78.8
2004-01-01 77.4
2004-04-01 77.4
2004-07-01 77.4
2004-10-01 77.4
2005-01-01 74.9
2005-04-01 74.9
2005-07-01 74.9
2005-10-01 74.9
2006-01-01 71.5
2006-04-01 71.5
2006-07-01 71.5
2006-10-01 71.5
2007-01-01 71.6
2007-04-01 72.6
2007-07-01 67.7
2007-10-01 71.6
2008-01-01 67.8
2008-04-01 67.5
2008-07-01 69.2
2008-10-01 74.4
2009-01-01 72.1
2009-04-01 68
2009-07-01 69.6
2009-10-01 67.9
2010-01-01 70
2010-04-01 65.4
2010-07-01 70.2
2010-10-01 66.5
2011-01-01 67.5
2011-04-01 67.5
2011-07-01 64.8
2011-10-01 71.8
2012-01-01 65.4
2012-04-01 64.1
2012-07-01 61.8
2012-10-01 67.8
2013-01-01 69.8
2013-04-01 58.5
2013-07-01 66.3
2013-10-01 68.6
2014-01-01 61.4
2014-04-01 64.7
2014-07-01 62.9
2014-10-01 64.9
2015-01-01 61.5
2015-04-01 65.1
2015-07-01 69.0
2015-10-01 64.3
2016-01-01 63.9
2016-04-01 67.7
2016-07-01 67.8
2016-10-01 65.1
2017-01-01 66.2
2017-04-01 66.2
2017-07-01 64.0
2017-10-01 63.2
2018-01-01 64.5
2018-04-01 64.0