Quarterly Percent
1999-01-01 69.6
1999-04-01 69.8
1999-07-01 70.5
1999-10-01 70.2
2000-01-01 70
2000-04-01 70.5
2000-07-01 70.6
2000-10-01 70.6
2001-01-01 70.4
2001-04-01 70.2
2001-07-01 70.3
2001-10-01 69.7
2002-01-01 69.7
2002-04-01 69.9
2002-07-01 70.1
2002-10-01 69.7
2003-01-01 70.2
2003-04-01 71.1
2003-07-01 71.4
2003-10-01 71.4
2004-01-01 70.7
2004-04-01 70.8
2004-07-01 71
2004-10-01 71.3
2005-01-01 71.5
2005-04-01 72.1
2005-07-01 72.5
2005-10-01 72.3
2006-01-01 72.9
2006-04-01 73.1
2006-07-01 73.1
2006-10-01 73.5
2007-01-01 73
2007-04-01 72.9
2007-07-01 73.3
2007-10-01 73.7
2008-01-01 73
2008-04-01 73.1
2008-07-01 73.7
2008-10-01 73.6
2009-01-01 73.4
2009-04-01 73.4
2009-07-01 73.7
2009-10-01 73.8
2010-01-01 74.6
2010-04-01 74.7
2010-07-01 74.8
2010-10-01 74
2011-01-01 73.7
2011-04-01 74.4
2011-07-01 74.4
2011-10-01 74.9
2012-01-01 75.4
2012-04-01 76.3
2012-07-01 77.2
2012-10-01 77
2013-01-01 76.5
2013-04-01 77
2013-07-01 77.2
2013-10-01 77.7
2014-01-01 78.6
2014-04-01 78.6
2014-07-01 79.1
2014-10-01 79
2015-01-01 79.5
2015-04-01 79.5
2015-07-01 79.8
2015-10-01 79.6
2016-01-01 79.4
2016-04-01 79.8
2016-07-01 80.0
2016-10-01 80.1
2017-01-01 79.9
2017-04-01 80.3
2017-07-01 80.8
2017-10-01 80.6
2018-01-01 80.5
2018-04-01 81.0
