2015-12-01 100%

2015-09-01 63.7%

2014-09-01 61.1%

2005-02-01 60.2%

2007-04-01 60%

2007-01-01 58.8%

2006-11-01 58.6%

2007-06-01 58.6%

2005-11-01 58.2%

2004-08-01 58%

2018-07-01 57.6%

2002-11-01 57.6%

2018-11-01 57.6%

2005-08-01 57.4%

2017-06-01 57.4%

2004-05-01 57.2%

2002-12-01 57%

2001-10-01 56.6%

2016-09-01 56.6%

2004-03-01 56.4%

2004-06-01 56.3%

2005-06-01 56.3%

2008-03-01 56.3%

2002-10-01 56.3%

2006-02-01 56.1%

2015-06-02 56.1%

2006-12-01 55.9%

2007-03-01 55.9%

2014-11-01 55.9%

2003-12-01 55.7%

2012-01-01 55.7%

2008-07-01 55.7%

2004-10-01 55.7%

2014-01-01 55.5%

2008-09-01 55.5%

2015-01-01 55.3%

1997-03-01 55.3%

2005-10-01 55.3%

2004-04-01 55.1%

2018-01-01 55.1%

2014-07-01 55.1%

2001-11-01 55.1%

1990-02-01 54.9%

2014-04-01 54.7%

2006-08-01 54.7%

2013-06-01 54.7%

2003-09-01 54.7%

2009-12-01 54.5%

2019-04-04 54.3%

2007-12-01 54.3%