Quarterly Percent
1999-04-01 50.8
2000-04-01 50.4
2001-04-01 50.4
2002-04-01 50
2003-04-01 49.5
2004-04-01 47.5
2005-01-01 49.2
2005-04-01 48.7
2005-07-01 50.5
2005-10-01 50.2
2006-01-01 50.2
2006-04-01 49.5
2006-07-01 50.8
2006-10-01 51.3
2007-01-01 51.7
2007-04-01 49.8
2007-07-01 52.5
2007-10-01 52.3
2008-01-01 52.9
2008-04-01 51.2
2008-07-01 52.5
2008-10-01 52.1
2009-01-01 51.8
2009-04-01 50.9
2009-07-01 52.7
2009-10-01 51.7
2010-01-01 51.1
2010-04-01 50
2010-07-01 52.0
2010-10-01 52.0
2011-01-01 51.9
2011-04-01 51.6
2011-07-01 53
2011-10-01 53.1
2012-01-01 50.3
2012-04-01 49.8
2012-07-01 51.5
2012-10-01 51.2
2013-01-01 51
2013-04-01 50
2013-07-01 51.4
2013-10-01 51
2014-01-01 49.9
2014-04-01 48.6
2014-07-01 50.7
2014-10-01 50.5
2015-01-01 50.0
2015-04-01 47.1
2015-07-01 48.6
2015-10-01 49.6
2016-01-01 48.6
2016-04-01 47.5
2016-07-01 50.3
2016-10-01 50.5
2017-01-01 49.3
2017-04-01 48.4
2017-07-01 50.4
2017-10-01 51.3
2018-01-01 49.8
2018-04-01 49.0
