2003-09-01 100%

2005-10-01 64%

2004-03-01 62.1%

2019-04-04 62.1%

2006-07-01 61%

2005-02-01 61%

1993-01-01 60.4%

2018-11-01 60.4%

2010-05-01 60%

2003-12-01 59.9%

2003-04-01 59.8%

2003-11-01 59.8%

2006-05-01 59.6%

2008-08-01 59.5%

2005-03-01 59.4%

2015-04-01 59.3%

2009-02-01 59.3%

2004-09-01 59.2%

2018-09-01 58.9%

2002-10-01 58.8%

2002-05-01 58.8%

2013-02-01 58.8%

2012-03-01 58.7%

2007-01-01 58.7%

2017-06-01 58.7%

2007-12-01 58.5%

2006-09-01 58.5%

1994-09-01 58.5%

2004-02-01 58.4%

2005-08-01 58.4%

1985-07-01 58.4%

1992-02-01 58.3%

2006-03-01 58.2%

2009-12-01 58%

2014-09-01 57.8%

1996-05-01 57.8%

1990-09-01 57.8%

2006-08-01 57.5%

1992-10-01 57.3%

1991-04-01 57.3%

2008-12-01 57.2%

2007-09-01 57.1%

2001-07-01 57.1%

1991-12-01 57.1%

2013-06-01 56.9%

1993-06-01 56.9%

2001-06-01 56.9%

1992-01-01 56.9%

2005-01-01 56.8%

2014-03-01 56.7%