2006-09-01 100%

2005-10-01 56.3%

2015-04-01 55.9%

2013-01-01 55.7%

2005-01-01 55.5%

2006-03-01 55.5%

2002-10-01 55.5%

2009-02-01 54.9%

2007-07-01 54.9%

2002-02-01 54.7%

2008-06-01 54.7%

2008-08-01 54.5%

2015-10-01 54.5%

2006-08-01 54.3%

2006-02-01 54.3%

2003-07-01 54.3%

2006-06-01 54.3%

2012-05-01 54.3%

2004-11-01 54.3%

2011-08-01 54.1%

2006-05-01 54.1%

2019-04-04 53.9%

2010-04-01 53.9%

2007-12-01 53.9%

2004-02-01 53.9%

1992-01-01 53.9%

1981-07-01 53.9%

2002-05-01 53.9%

2008-11-01 53.9%

2008-02-01 53.7%

1983-01-01 53.7%

2006-07-01 53.7%

2002-09-01 53.7%

2003-09-01 53.7%

2004-09-01 53.7%

1986-02-01 53.5%

2012-02-01 53.5%

2014-02-01 53.5%

2015-06-02 53.5%

2001-06-01 53.5%

2008-10-01 53.5%

2014-09-01 53.5%

1994-02-01 53.3%

1993-01-01 53.3%

2015-01-01 53.3%

2005-03-01 53.3%

2007-03-01 53.3%

1987-05-01 53.3%

2008-05-01 53.3%

2009-11-01 53.3%