2004-05-01 100%

2007-07-01 65.1%

2007-01-01 64%

2006-11-01 63.9%

1997-03-01 63.3%

2005-01-01 61.7%

2008-07-01 61.4%

2003-12-01 61.3%

2006-07-01 61.1%

2002-06-01 61.1%

2006-08-01 60.9%

2002-10-01 60.8%

2014-05-01 60.5%

2018-09-01 60.4%

2008-08-01 60.3%

2002-11-01 60.1%

2005-10-01 59.9%

2004-06-01 59.8%

2006-12-01 59.8%

2014-03-01 59.7%

2008-06-01 59.6%

2013-01-01 59.1%

2006-03-01 59%

2008-10-01 59%

2015-11-01 58.8%

2008-05-01 58.7%

2017-06-01 58.6%

2015-05-01 58.5%

2005-03-01 58.5%

2007-06-01 58.5%

2009-04-01 58.4%

2007-11-01 58.1%

2019-04-04 58.1%

2006-02-01 58.1%

1988-08-01 58%

2004-09-01 58%

2010-04-01 57.7%

2003-05-01 57.7%

2001-01-01 57.7%

2000-02-01 57.5%

2015-04-01 57.4%

2004-02-01 57.3%

2004-03-01 57.3%

2004-11-01 57.1%

2012-07-01 57.1%

2022-11-03 57%

2014-02-01 57%

2021-05-05 56.9%

2002-04-01 56.8%

1992-04-01 56.8%