2006-06-01 100%

2005-03-01 57.6%

2007-07-01 57.1%

2007-03-01 56.9%

2009-11-01 56.9%

2006-11-01 56.8%

2008-08-01 56.6%

2003-12-01 56.4%

2014-03-01 56.4%

2015-04-01 56.3%

2006-08-01 56.3%

2017-06-01 56.3%

2015-05-01 56.2%

2008-07-01 56.1%

2007-01-01 56%

2002-07-01 55.9%

2008-06-01 55.9%

2013-01-01 55.7%

2002-06-01 55.7%

2006-12-01 55.6%

2006-02-01 55.6%

2004-10-01 55.6%

2005-10-01 55.6%

2004-09-01 55.6%

2004-02-01 55.4%

2008-02-01 55.4%

2006-07-01 55.4%

2008-05-01 55.4%

2011-09-01 55.4%

2010-04-01 55.2%

2005-01-01 55.2%

2012-03-01 55.2%

1997-02-01 55.1%

2012-07-01 55.1%

2003-09-01 55.1%

2006-09-01 55.1%

2013-02-01 55%

2000-11-01 55%

2015-09-02 55%

2003-02-01 54.9%

2009-02-01 54.9%

2004-05-01 54.9%

2002-10-01 54.9%

2016-09-01 54.9%

1998-04-01 54.8%

2004-04-01 54.8%

2007-08-01 54.8%

2006-01-01 54.8%

2001-07-01 54.8%

2014-05-01 54.8%