2004-02-01 100%

2014-05-01 61.1%

2002-06-01 60.4%

2006-03-01 59.1%

2009-02-01 58.9%

2013-02-01 58.8%

2008-08-01 58.1%

2013-01-01 58.1%

2008-06-01 58.1%

2011-09-01 58%

2008-05-01 57.8%

2010-04-01 57.6%

2019-04-04 57.4%

2004-06-01 57.3%

2003-09-01 57.3%

2015-02-01 57%

2008-03-01 57%

2003-12-01 56.9%

2004-11-01 56.9%

2002-09-01 56.9%

2002-12-01 56.8%

2006-07-01 56.8%

2007-07-01 56.8%

2015-11-01 56.8%

2002-04-01 56.7%

2006-08-01 56.7%

2015-01-04 56.7%

2006-12-01 56.4%

2004-10-01 56.4%

2006-11-01 56.3%

2012-03-01 56.3%

2018-09-01 56.3%

2010-02-01 56.2%

2009-09-01 56.2%

2013-05-01 56.1%

1993-01-01 56%

2016-09-01 56%

2015-04-01 55.9%

2002-02-01 55.8%

2007-01-01 55.7%

2001-07-01 55.7%

1995-09-01 55.7%

2012-08-01 55.6%

2001-05-01 55.6%

2012-05-01 55.6%

2007-11-01 55.6%

2005-01-01 55.5%

2002-07-01 55.4%

2006-06-01 55.4%

2002-05-01 55.4%