Quarterly Percent
1999-04-01 57.8
2000-01-01 55.4
2000-04-01 60.8
2000-07-01 62.4
2000-10-01 59.2
2001-01-01 54.6
2001-04-01 59.2
2001-07-01 58.7
2001-10-01 55.5
2002-01-01 53.9
2002-04-01 56.1
2002-07-01 58.4
2002-10-01 54.8
2003-01-01 51.9
2003-04-01 56.2
2003-07-01 55.3
2003-10-01 53.6
2004-01-01 49.7
2004-04-01 52.9
2004-07-01 55.9
2004-10-01 54.2
2005-01-01 49.3
2005-04-01 53.4
2005-07-01 56.2
2005-10-01 53.7
2006-01-01 49.9
2006-04-01 51.6
2006-07-01 55.1
2006-10-01 50.9
2007-01-01 50.3
2007-04-01 53.1
2007-07-01 55
2007-10-01 52.7
2008-01-01 55
2008-04-01 58.5
2008-07-01 58.6
2008-10-01 54.2
2009-01-01 49.9
2009-04-01 53.3
2009-07-01 51.8
2009-10-01 48.6
2010-01-01 49
2010-04-01 51.3
2010-07-01 51.8
2010-10-01 49.4
2011-01-01 47
2011-04-01 49.1
2011-07-01 51.3
2011-10-01 50.2
2012-01-01 49.4
2012-04-01 52.4
2012-07-01 52.2
2012-10-01 48.7
2013-01-01 49.4
2013-04-01 49.7
2013-07-01 51.9
2013-10-01 48.6
2014-01-01 47.1
2014-04-01 49.4
2014-07-01 49.2
2014-10-01 47.2
2015-01-01 47.6
2015-04-01 49.0
2015-07-01 51.1
2015-10-01 48.6
2016-01-01 46.4
2016-04-01 46.5
2016-07-01 49.0
2016-10-01 46.1
2017-01-01 45.9
2017-04-01 47.1
2017-07-01 48.9
2017-10-01 47.3
2018-01-01 46.4
2018-04-01 48.7