2008-03-01 100%

2004-06-01 63.1%

2005-02-01 62.6%

2002-11-01 62%

2005-01-01 61.6%

2019-04-04 60.8%

2006-07-01 60%

2003-07-01 60%

2002-06-01 59.4%

2008-06-01 59.2%

2009-02-01 59.2%

2013-02-01 59%

1993-01-01 59%

2018-09-01 58.9%

2012-03-01 58.8%

2014-05-01 58.7%

2014-02-01 58.5%

2005-10-01 58.4%

2004-03-01 58.4%

2009-06-01 58.1%

2005-08-01 58%

2012-05-01 58%

1996-04-01 58%

2004-10-01 57.8%

2008-02-01 57.7%

2002-02-01 57.6%

2002-05-01 57.5%

2025-11-01 57.4%

2015-11-01 57.3%

2018-11-01 57.3%

2016-09-01 57.2%

2017-06-01 57.1%

2007-12-01 57.1%

2001-10-01 57.1%

2006-08-01 56.9%

2010-04-01 56.9%

2013-01-01 56.8%

1997-07-01 56.8%

1987-10-01 56.7%

2020-11-09 56.6%

2004-05-01 56.6%

2008-01-01 56.6%

2002-10-01 56.5%

2006-04-01 56.4%

2004-02-01 56.3%

2001-07-01 56.1%

2007-01-01 56%

2003-04-01 56%

2006-03-01 56%

2006-05-01 55.9%