Quarterly Percent
1999-01-01 49.3
1999-04-01 49.6
1999-07-01 50.2
1999-10-01 51.1
2000-01-01 51.5
2000-04-01 51.8
2000-07-01 52.2
2000-10-01 52.5
2001-01-01 50.5
2001-04-01 50.4
2001-07-01 51
2001-10-01 51.5
2002-01-01 52.9
2002-04-01 53.7
2002-07-01 54.1
2002-10-01 54.5
2003-01-01 55
2003-04-01 55.5
2003-07-01 56.1
2003-10-01 56.5
2004-01-01 56.8
2004-04-01 57.1
2004-07-01 57.5
2004-10-01 58.1
2005-01-01 58.2
2005-04-01 59
2005-07-01 58.8
2005-10-01 59.5
2006-01-01 60.1
2006-04-01 60.7
2006-07-01 60.5
2006-10-01 61.4
2007-01-01 61.5
2007-04-01 61.7
2007-07-01 62
2007-10-01 62.4
2008-01-01 62.7
2008-04-01 63.4
2008-07-01 63.6
2008-10-01 64.6
2009-01-01 64.9
2009-04-01 65.1
2009-07-01 65.1
2009-10-01 65.3
2010-01-01 65.8
2010-04-01 66.1
2010-07-01 66.3
2010-10-01 66.7
2011-01-01 66.8
2011-04-01 67.6
2011-07-01 67.4
2011-10-01 67.5
2012-01-01 68.2
2012-04-01 68.3
2012-07-01 68.4
2012-10-01 68.6
2013-01-01 68.8
2013-04-01 68.7
2013-07-01 68.6
2013-10-01 68.9
2014-01-01 68.8
2014-04-01 68.8
2014-07-01 68.4
2014-10-01 69.2
2015-01-01 68.8
2015-04-01 69.5
2015-07-01 68.7
2015-10-01 69.2
2016-01-01 69.1
2016-04-01 69.5
2016-07-01 69.2
2016-10-01 69.0
2017-01-01 68.8
2017-04-01 68.8
2017-07-01 68.7
2017-10-01 69.0
2018-01-01 68.5
2018-04-01 68.9
2018-07-01 68.4
