2006-05-01 100%

2007-09-01 59.2%

2008-08-01 58.8%

2010-04-01 58.7%

2014-05-01 58.3%

2005-10-01 58.1%

2018-09-01 58.1%

2002-02-01 57.6%

2008-03-01 57.5%

2015-05-01 57.3%

2014-04-01 57%

2006-03-01 57%

2008-10-01 57%

2010-08-01 56.9%

1991-07-01 56.8%

2003-09-01 56.8%

2002-05-01 56.6%

2014-02-01 56.4%

1992-01-01 56.3%

2012-09-01 56.3%

2006-11-01 56.3%

2002-10-01 56.3%

2012-03-01 56.2%

2003-01-01 56.1%

2007-01-01 56%

2017-06-01 55.9%

2004-03-01 55.9%

2019-04-04 55.8%

2004-09-01 55.8%

2004-11-01 55.7%

2013-02-01 55.6%

2015-02-01 55.6%

2009-02-01 55.5%

1990-10-01 55.5%

2009-09-01 55.5%

1993-09-01 55.4%

2001-05-01 55.3%

2007-11-01 55.3%

2008-11-01 55.3%

2006-01-01 55.2%

1999-06-01 55.2%

2011-09-01 55.2%

2003-12-01 55.1%

2015-01-04 55.1%

2008-07-01 55.1%

2006-12-01 55%

1993-07-01 54.9%

2000-03-01 54.9%

2023-07-06 54.8%

2008-02-01 54.8%