2005-10-01 100%

2003-12-01 59.9%

2005-02-01 59.8%

2007-01-01 59%

2004-09-01 59%

2019-04-04 58.8%

2008-05-01 58.4%

2006-05-01 58.1%

2004-11-01 58.1%

2014-05-01 58%

2005-08-01 57.9%

2010-04-01 57.6%

2001-10-01 57.6%

2005-12-01 57.3%

2004-05-01 57.3%

2018-09-01 57%

2006-08-01 56.9%

2006-03-01 56.9%

2002-05-01 56.9%

2006-07-01 56.8%

2008-08-01 56.7%

2005-03-01 56.7%

1993-01-01 56.5%

2007-11-01 56.5%

2007-09-01 56.5%

1997-03-01 56.4%

2015-04-01 56.3%

2013-02-01 56.3%

2015-05-01 56.3%

2004-03-01 56.2%

1997-01-01 56.1%

1992-04-01 56%

2008-07-01 56%

2006-11-01 56%

2002-02-01 55.8%

2002-07-01 55.8%

2000-06-01 55.8%

2002-06-01 55.8%

2005-01-01 55.7%

1992-02-01 55.6%

2003-07-01 55.6%

2006-06-01 55.6%

2007-03-01 55.5%

2014-09-01 55.5%

2013-01-01 55.4%

2002-11-01 55.4%

2015-10-01 55.4%

2003-09-01 55.4%

2016-09-01 55.4%

2008-02-01 55.3%