Quarterly Percent
1999-04-01 62.9
1999-07-01 62.8
1999-10-01 63.6
2000-01-01 64
2000-04-01 64.9
2000-07-01 64.6
2000-10-01 65.2
2001-01-01 65.3
2001-04-01 66
2001-07-01 66.3
2001-10-01 66.6
2002-01-01 67.1
2002-04-01 67.6
2002-07-01 66.5
2002-10-01 66.6
2003-01-01 67
2003-04-01 67.2
2003-07-01 67
2003-10-01 67.5
2004-01-01 67.6
2004-04-01 68
2004-07-01 67.8
2004-10-01 68.5
2005-01-01 69.2
2005-04-01 69.6
2005-07-01 69.7
2005-10-01 69.9
2006-01-01 70.3
2006-04-01 70.2
2006-07-01 70.5
2006-10-01 70.9
2007-01-01 72.2
2007-04-01 72.5
2007-07-01 72.5
2007-10-01 72.2
2008-01-01 72.6
2008-04-01 72.2
2008-07-01 72.4
2008-10-01 72.7
2009-01-01 72.1
2009-04-01 72.5
2009-07-01 73.2
2009-10-01 72.5
2010-01-01 72.6
2010-04-01 72.9
2010-07-01 72.4
2010-10-01 72.3
2011-01-01 72.0
2011-04-01 72.9
2011-07-01 72.9
2011-10-01 72.9
2012-01-01 73.0
2012-04-01 72.8
2012-07-01 72.9
2012-10-01 73.1
2013-01-01 73.5
2013-04-01 74.3
2013-07-01 74.1
2013-10-01 74.2
2014-01-01 74.3
2014-04-01 74.1
2014-07-01 74.4
2014-10-01 74.2
2015-01-01 74.0
2015-04-01 74.8
2015-07-01 74.2
2015-10-01 75.0
2016-01-01 74.6
2016-04-01 74.9
2016-07-01 74.9
2016-10-01 74.6
2017-01-01 75.1
2017-04-01 74.7
2017-07-01 76.6
2017-10-01 76.7
2018-01-01 76.3
2018-04-01 76.9