2009-05-01 100%

2008-08-01 61.1%

2013-05-01 60%

2010-08-01 58.4%

2008-11-01 58%

2012-07-01 57.8%

2009-02-01 57.6%

1997-09-01 57.6%

2012-08-01 57.2%

1992-02-01 57.2%

2002-03-01 57.2%

2002-04-01 57%

2007-08-01 57%

1992-01-01 57%

2013-01-01 57%

1992-09-01 57%

2013-02-01 56.8%

2014-02-01 56.8%

2012-09-01 56.8%

2006-01-01 56.6%

2008-07-01 56.6%

2004-10-01 56.6%

2007-07-01 56.4%

2010-07-01 56.4%

2001-06-01 56.4%

1996-05-01 56.4%

2001-08-01 56.3%

2003-02-01 56.3%

2004-02-01 56.1%

2012-02-01 56.1%

2006-07-01 56.1%

2017-06-01 56.1%

2006-06-01 55.9%

2011-03-01 55.9%

2004-11-01 55.9%

2009-11-01 55.9%

2012-01-01 55.7%

2002-09-01 55.7%

2011-08-01 55.5%

1994-12-01 55.5%

1995-12-01 55.5%

2001-11-01 55.5%

2001-10-01 55.5%

2008-01-01 55.3%

2013-10-01 55.3%

2019-04-04 55.1%

1998-04-01 55.1%

1996-02-01 55.1%

2022-06-03 55.1%

1997-06-01 55.1%