2011-09-01 100%

2014-04-01 58.3%

2004-02-01 58%

2008-06-01 57.9%

2008-05-01 57.8%

2019-04-04 57.6%

2013-02-01 57.4%

1992-01-01 57.4%

2012-03-01 57.4%

2008-08-01 57.3%

2013-01-04 57.2%

2001-08-01 56.9%

2013-01-01 56.9%

1987-12-01 56.6%

2008-03-01 56.6%

2014-02-01 56.5%

2002-05-01 56.5%

2007-08-01 56.4%

2011-08-01 56.4%

2013-05-01 56.4%

2012-09-01 56.3%

1994-01-01 56.1%

2017-03-01 56.1%

2002-06-01 56%

2002-09-01 56%

2011-12-01 55.9%

2001-03-01 55.9%

1995-09-01 55.9%

2004-09-01 55.9%

2001-05-01 55.8%

2009-06-01 55.7%

2018-09-01 55.7%

2004-05-01 55.6%

2007-11-01 55.6%

2010-01-01 55.5%

1993-09-01 55.5%

2003-02-01 55.4%

2006-06-01 55.4%

2002-11-01 55.4%

2009-09-01 55.4%

2013-01-05 55.3%

1997-07-01 55.3%

1994-10-01 55.3%

2002-02-01 55.2%

1995-01-01 55.2%

2001-01-01 55.2%

2012-07-01 55.2%

2014-03-01 55.2%

2006-05-01 55.2%

1988-11-01 55.2%