Quarterly Percent
2000-04-01 70.4
2001-04-01 69.9
2002-04-01 69.2
2003-04-01 67.3
2004-04-01 66.4
2005-01-01 64.8
2005-04-01 64.1
2005-07-01 64.1
2005-10-01 63.7
2006-01-01 63.6
2006-04-01 63
2006-07-01 62.4
2006-10-01 62.6
2007-01-01 62.8
2007-04-01 61.9
2007-07-01 62.0
2007-10-01 61.8
2008-01-01 62.2
2008-04-01 61.3
2008-07-01 61.1
2008-10-01 61.0
2009-01-01 60.6
2009-04-01 59.6
2009-07-01 60.0
2009-10-01 59.8
2010-01-01 59.5
2010-04-01 59.2
2010-07-01 58.7
2010-10-01 58.7
2011-01-01 58.1
2011-04-01 57.5
2011-07-01 57.2
2011-10-01 56.9
2012-01-01 56.4
2012-04-01 55.4
2012-07-01 55.0
2012-10-01 54.8
2013-01-01 54.4
2013-04-01 53.7
2013-07-01 53.1
2013-10-01 52.7
2014-01-01 52.4
2014-04-01 51.7
2014-07-01 51.3
2014-10-01 50.9
2015-01-01 50.8
2015-04-01 50.1
2015-07-01 49.7
2015-10-01 49.4
2016-01-01 48.8
2016-04-01 47.9
2016-07-01 47.8
2016-10-01 47.5
2017-01-01 47.1
2017-04-01 46.1
2017-07-01 46.0
2017-10-01 45.7
2018-01-01 45.4
2018-04-01 44.9
