2014-05-01 100%

2008-10-01 61.2%

2004-02-01 61.1%

2018-09-01 59.8%

2002-02-01 59.5%

2008-08-01 58.9%

2014-02-01 58.7%

2019-04-04 58.6%

2012-03-01 58.4%

2006-05-01 58.3%

2004-11-01 58.3%

2006-11-01 58.3%

2013-02-01 58%

2008-05-01 58%

2015-11-01 58%

2005-10-01 58%

2009-02-01 57.9%

2015-01-04 57.9%

2003-12-01 57.7%

2015-10-01 57.7%

2013-01-01 57.5%

2006-03-01 57.5%

2004-04-01 57.2%

2002-04-01 57.1%

2006-08-01 57.1%

2015-01-01 57.1%

2008-06-01 57.1%

2006-07-01 57%

1993-01-01 56.9%

2014-03-01 56.9%

2003-09-01 56.9%

2008-03-01 56.8%

2001-11-01 56.8%

1997-09-01 56.6%

1992-01-01 56.4%

2002-05-01 56.3%

2001-07-01 56.3%

2007-07-01 56.3%

2015-05-01 56.3%

2004-10-01 56.3%

2010-02-01 56.2%

2010-04-01 56.1%

2006-01-01 56.1%

2013-05-01 56.1%

2002-06-01 56%

2022-05-05 56%

2002-10-01 56%

2009-04-01 55.9%

2023-08-07 55.8%

2004-06-01 55.8%