2008-06-01 100%

2008-08-01 61.3%

2014-02-01 59%

2004-09-01 58.7%

2001-08-01 58.6%

2008-02-01 58.5%

2007-11-01 58.4%

2002-05-01 58.2%

2004-02-01 58.1%

2004-05-01 58%

2011-09-01 57.9%

2006-03-01 57.6%

2018-09-01 57.5%

2007-12-01 57.4%

2009-06-01 57.3%

2015-10-01 57.2%

2007-09-01 57.2%

2006-02-01 57.1%

2015-06-02 57.1%

2014-05-01 57.1%

2014-04-01 57%

2002-02-01 57%

2014-03-01 57%

2012-05-01 57%

2006-01-01 56.9%

2007-01-01 56.9%

2013-05-01 56.9%

2002-09-01 56.8%

2007-08-01 56.7%

2007-07-01 56.7%

2022-02-09 56.6%

2005-02-01 56.5%

2013-01-02 56.5%

2012-08-01 56.4%

2013-01-01 56.4%

1988-07-01 56.4%

2008-07-01 56.4%

2009-03-01 56.4%

2009-09-01 56.4%

2015-05-01 56.3%

2010-02-01 56.3%

2002-06-01 56.3%

2019-04-04 56.2%

2011-12-01 56.2%

2012-03-01 56.2%

2009-11-01 56.2%

2006-08-01 56.1%

2008-05-01 56%

2020-10-04 56%

2008-01-01 55.9%