2006-08-01 100%

2019-04-04 60.3%

2008-05-01 59.7%

2007-01-01 59.5%

2015-11-01 59.3%

2004-05-01 58.4%

2015-01-04 58.2%

2002-06-01 58.2%

2005-03-01 58.2%

2016-09-01 58.2%

2017-06-01 57.8%

2008-10-01 57.8%

2008-07-01 57.6%

2002-12-01 57.5%

2008-08-01 57.4%

2013-01-01 57.2%

2008-02-01 57.1%

2006-07-01 57.1%

2014-05-01 57.1%

2001-08-01 57%

1998-02-01 56.9%

2005-10-01 56.9%

2002-07-01 56.8%

2006-11-01 56.8%

2004-02-01 56.7%

1992-07-01 56.7%

2005-08-01 56.6%

2015-04-01 56.5%

1997-03-01 56.5%

2003-12-01 56.4%

2007-12-01 56.4%

2004-11-01 56.4%

2006-06-01 56.3%

2003-09-01 56.3%

2007-09-01 56.3%

2015-05-01 56.2%

1991-07-01 56.1%

2008-06-01 56.1%

2006-03-01 56.1%

2002-05-01 56.1%

2002-09-01 56.1%

2007-03-01 56%

2018-09-01 56%

1990-03-01 55.9%

2014-02-01 55.7%

2010-05-01 55.7%

1996-11-01 55.7%

2005-02-01 55.6%

1997-06-01 55.6%

2002-02-01 55.5%