2007-11-01 100%

2006-07-01 60.5%

2004-05-01 60.5%

2008-03-01 60.2%

2002-11-01 59.4%

2006-03-01 58.8%

2005-01-01 58.4%

2008-07-01 58.4%

2005-10-01 58.2%

2007-01-01 58%

2002-02-01 57.8%

2007-07-01 57.8%

2019-04-04 57.2%

2008-02-01 57.2%

2012-03-01 57.2%

2002-10-01 57.2%

2010-04-01 56.8%

2004-06-01 56.8%

2006-11-01 56.8%

2015-11-01 56.6%

2004-10-01 56.6%

1992-02-01 56.4%

2008-06-01 56.4%

2006-05-01 56.4%

2007-09-01 56.4%

2008-08-01 56.3%

2014-09-01 56.3%

2006-08-01 56.1%

2002-12-01 56.1%

2009-12-01 56.1%

2014-05-01 56.1%

2009-04-01 55.9%

2007-12-01 55.9%

2006-02-01 55.9%

2008-01-01 55.9%

2002-07-01 55.9%

2003-07-01 55.9%

2004-03-01 55.9%

2004-09-01 55.9%

1997-04-01 55.7%

2003-12-01 55.7%

2008-05-01 55.7%

2008-10-01 55.7%

1989-09-01 55.7%

1997-03-01 55.5%

2007-03-01 55.5%

2012-05-01 55.5%

2016-09-01 55.5%

2018-09-01 55.5%

2004-02-01 55.3%