Quarterly Percent
1999-01-01 48.4
1999-04-01 50.6
1999-07-01 48.5
1999-10-01 49
2000-01-01 50.3
2000-04-01 52.2
2000-07-01 49.7
2000-10-01 49.9
2001-01-01 50.8
2001-04-01 50.4
2001-07-01 49
2001-10-01 50.6
2002-01-01 52
2002-04-01 53.5
2002-07-01 52.4
2002-10-01 52.2
2003-01-01 54.1
2003-04-01 55.7
2003-07-01 54.7
2003-10-01 55.9
2004-01-01 56.7
2004-04-01 57.3
2004-07-01 56.9
2004-10-01 57.6
2005-01-01 59.2
2005-04-01 59.9
2005-07-01 59.5
2005-10-01 58.4
2006-01-01 59.8
2006-04-01 60.4
2006-07-01 59.9
2006-10-01 61.2
2007-01-01 62.4
2007-04-01 62.3
2007-07-01 60.5
2007-10-01 59.4
2008-01-01 61.2
2008-04-01 62.7
2008-07-01 62.1
2008-10-01 62.7
2009-01-01 63.8
2009-04-01 64.2
2009-07-01 61.8
2009-10-01 61.6
2010-01-01 64.4
2010-04-01 64.6
2010-07-01 62.9
2010-10-01 62.5
2011-01-01 63.4
2011-04-01 62
2011-07-01 63.2
2011-10-01 62.7
2012-01-01 62.9
2012-04-01 64.3
2012-07-01 62.2
2012-10-01 62.3
2013-01-01 61.7
2013-04-01 62.7
2013-07-01 62.4
2013-10-01 63
2014-01-01 62
2014-04-01 62.7
2014-07-01 61.9
2014-10-01 61.2
2015-01-01 61.2
2015-04-01 63.4
2015-07-01 61.1
2015-10-01 61.2
2016-01-01 61.2
2016-04-01 62.1
2016-07-01 59.0
2016-10-01 58.7
2017-01-01 59.4
2017-04-01 60.9
2017-07-01 60.8
2017-10-01 60.6
2018-01-01 60.8
2018-04-01 60.6