Quarterly Percent
1999-04-01 66.2
1999-07-01 68.8
1999-10-01 67.7
2000-01-01 67.6
2000-04-01 68.1
2000-07-01 70
2000-10-01 68.4
2001-01-01 68.3
2001-04-01 68.5
2001-07-01 70.2
2001-10-01 68.5
2002-01-01 67.6
2002-04-01 67.5
2002-07-01 68.9
2002-10-01 67.6
2003-01-01 67.1
2003-04-01 67.2
2003-07-01 68.3
2003-10-01 67.7
2004-01-01 67.8
2004-04-01 67.5
2004-07-01 69.2
2004-10-01 68.2
2005-01-01 68.2
2005-04-01 68.5
2005-07-01 70.2
2005-10-01 69.2
2006-01-01 69.5
2006-04-01 69.7
2006-07-01 70.9
2006-10-01 70.2
2007-01-01 72.5
2007-04-01 72.6
2007-07-01 73.3
2007-10-01 71.9
2008-01-01 70.7
2008-04-01 70.4
2008-07-01 69.8
2008-10-01 67.1
2009-01-01 63.1
2009-04-01 61.8
2009-07-01 61.0
2009-10-01 59.6
2010-01-01 58.4
2010-04-01 58.6
2010-07-01 58.6
2010-10-01 57.2
2011-01-01 56.7
2011-04-01 57.2
2011-07-01 57.1
2011-10-01 57.0
2012-01-01 56.0
2012-04-01 56.4
2012-07-01 57.0
2012-10-01 57.0
2013-01-01 57.2
2013-04-01 58.2
2013-07-01 59.4
2013-10-01 59.9
2014-01-01 59.1
2014-04-01 59.6
2014-07-01 60.7
2014-10-01 61.0
2015-01-01 60.7
2015-04-01 61.7
2015-07-01 62.5
2015-10-01 61.8
2016-01-01 61.5
2016-04-01 62.7
2016-07-01 63.6
2016-10-01 63.4
2017-01-01 62.9
2017-04-01 63.3
2017-07-01 64.3
2017-10-01 64.3
2018-01-01 64.3
2018-04-01 64.3