2009-12-01 100%

2007-03-01 61.5%

2014-09-01 59.8%

2008-08-01 57.5%

2015-12-01 57%

2015-06-02 57%

2005-03-01 56.7%

2015-09-01 56.6%

2005-11-01 56.5%

1985-01-01 56.1%

2013-06-01 56.1%

2007-12-01 56%

2004-05-01 56%

2006-11-01 56%

2006-07-01 55.9%

2009-11-01 55.9%

2007-09-01 55.8%

2009-04-01 55.7%

2008-03-01 55.7%

2009-02-01 55.6%

2013-01-01 55.6%

1993-03-01 55.6%

2004-11-01 55.6%

2007-01-01 55.5%

2008-05-01 55.5%

2015-09-02 55.5%

2006-02-01 55.3%

1997-04-01 55.2%

2008-07-01 55.2%

2019-08-02 55.1%

2008-02-01 55.1%

2015-05-01 55.1%

2018-07-01 55%

2002-05-01 55%

2012-05-01 55%

2020-07-03 55%

1997-02-01 54.8%

2008-01-01 54.8%

2012-07-01 54.8%

2010-02-01 54.6%

2014-02-01 54.6%

2012-01-01 54.5%

2001-11-01 54.5%

1997-09-01 54.5%

2015-01-01 54.4%

2004-08-01 54.3%

2005-02-01 54.3%

2005-10-01 54.3%

2002-02-01 54.2%

2004-06-01 54.2%