Quarterly Percent
2000-04-01 51.2
2001-04-01 51.4
2002-04-01 51.7
2003-04-01 52.5
2004-04-01 52.7
2005-01-01 52.8
2005-04-01 52.8
2005-07-01 50.8
2005-10-01 52.7
2006-01-01 53.4
2006-04-01 52.9
2006-07-01 50.6
2006-10-01 52.6
2007-01-01 53.3
2007-04-01 53.0
2007-07-01 50.6
2007-10-01 52.8
2008-01-01 53.1
2008-04-01 52.7
2008-07-01 50.5
2008-10-01 52.7
2009-01-01 53.6
2009-04-01 53.6
2009-07-01 51.8
2009-10-01 54.1
2010-01-01 54.5
2010-04-01 54.2
2010-07-01 52.7
2010-10-01 54.3
2011-01-01 55.3
2011-04-01 54.9
2011-07-01 53.2
2011-10-01 54.5
2012-01-01 55.7
2012-04-01 55.1
2012-07-01 53.3
2012-10-01 54.8
2013-01-01 55.8
2013-04-01 55.5
2013-07-01 53.7
2013-10-01 55.5
2014-01-01 56.2
2014-04-01 56.3
2014-07-01 54.2
2014-10-01 55.8
2015-01-01 56.3
2015-04-01 56.6
2015-07-01 54.7
2015-10-01 55.7
2016-01-01 56.7
2016-04-01 56.3
2016-07-01 54.9
2016-10-01 55.9
2017-01-01 57.0
2017-04-01 56.3
2017-07-01 54.6
2017-10-01 55.9
2018-01-01 56.6
2018-04-01 56.1
