Quarterly Percent
1999-04-01 53
1999-07-01 55.2
1999-10-01 55.2
2000-01-01 54.4
2000-04-01 53.6
2000-07-01 55.6
2000-10-01 54.7
2001-01-01 53.9
2001-04-01 53.1
2001-07-01 54.8
2001-10-01 55.3
2002-01-01 54.3
2002-04-01 54
2002-07-01 55.3
2002-10-01 54.8
2003-01-01 53.9
2003-04-01 52.7
2003-07-01 53.6
2003-10-01 54.9
2004-01-01 54.5
2004-04-01 53.4
2004-07-01 54.4
2004-10-01 54.2
2005-01-01 53.7
2005-04-01 51.7
2005-07-01 53.3
2005-10-01 52.2
2006-01-01 52.2
2006-04-01 51.9
2006-07-01 53
2006-10-01 53.0
2007-01-01 50.8
2007-04-01 49.9
2007-07-01 52.1
2007-10-01 52.2
2008-01-01 51.0
2008-04-01 50.4
2008-07-01 51.2
2008-10-01 50.2
2009-01-01 48.7
2009-04-01 47.1
2009-07-01 48.2
2009-10-01 47.7
2010-01-01 46.2
2010-04-01 45.8
2010-07-01 47.1
2010-10-01 45.3
2011-01-01 44.9
2011-04-01 44.7
2011-07-01 46
2011-10-01 45.9
2012-01-01 44.7
2012-04-01 45
2012-07-01 46.9
2012-10-01 47.6
2013-01-01 45.9
2013-04-01 44.6
2013-07-01 47.1
2013-10-01 47.0
2014-01-01 45.9
2014-04-01 47.1
2014-07-01 49.4
2014-10-01 48.7
2015-01-01 48.5
2015-04-01 48.9
2015-07-01 50.8
2015-10-01 50.4
2016-01-01 49.6
2016-04-01 50.3
2016-07-01 52.4
2016-10-01 52.3
2017-01-01 50.9
2017-04-01 50.1
2017-07-01 51.5
2017-10-01 51.0
2018-01-01 49.9
2018-04-01 49.2