2004-11-01 100%

2007-07-01 60.4%

2008-08-01 60.4%

2007-01-01 60.1%

2003-09-01 59.8%

2015-04-01 59.5%

1993-01-01 59.2%

2006-11-01 59.2%

2008-05-01 58.7%

2004-09-01 58.5%

2002-09-01 58.4%

2014-05-01 58.3%

2005-10-01 58.1%

2002-02-01 58%

2012-07-01 58%

2014-03-01 58%

2015-02-01 57.7%

2010-02-01 57.6%

2006-03-01 57.4%

2013-02-01 57.3%

2013-01-01 57.2%

2007-11-01 57.2%

2004-02-01 56.9%

2012-02-01 56.9%

2013-01-02 56.9%

2004-10-01 56.9%

2000-06-01 56.8%

2006-07-01 56.7%

2006-12-01 56.5%

2005-02-01 56.5%

2001-10-01 56.5%

2006-08-01 56.4%

2015-01-04 56.4%

2002-07-01 56.4%

1994-10-01 56.3%

2012-08-01 56.3%

2002-06-01 56.3%

2001-11-01 56.2%

2017-06-01 56.1%

2005-11-01 56.1%

2010-08-01 56%

2008-03-01 56%

2015-05-01 56%

2018-10-01 56%

2018-09-01 56%

2001-08-01 55.9%

2007-12-01 55.9%

2012-05-01 55.9%

2007-09-01 55.9%

1992-01-01 55.8%