2001-08-01 100%

2013-05-01 63.3%

1997-09-01 62.9%

2002-04-01 61.9%

1996-05-01 61.9%

2007-08-01 61.5%

2002-03-01 61.5%

2009-02-01 60.9%

2013-01-01 60.2%

1993-01-01 60%

2001-06-01 60%

1992-02-01 59.8%

2004-10-01 59.8%

2013-02-01 59.6%

1995-07-01 59%

1997-07-01 59%

2014-02-01 58.8%

2009-03-01 58.8%

2008-10-01 58.8%

1995-09-01 58.6%

2006-06-01 58.4%

2012-08-01 58.2%

1997-02-01 58.2%

2008-01-01 58.2%

2004-02-01 58%

2006-01-01 58%

1999-06-01 57.8%

2014-05-01 57.8%

1998-10-01 57.8%

1996-04-01 57.6%

2009-12-01 57.6%

2008-06-01 57.6%

2001-05-01 57.6%

2004-04-01 57.4%

2012-03-01 57.4%

1996-11-01 57.4%

2019-04-04 57.2%

2015-04-01 57.2%

2008-08-01 57.2%

1998-01-01 57.2%

2012-01-01 57.2%

2001-11-01 57.2%

2025-09-01 56.8%

2010-04-01 56.8%

2006-02-01 56.8%

2004-06-01 56.8%

1989-02-01 56.6%

1993-02-01 56.6%

2008-02-01 56.6%

2014-07-01 56.6%