2008-02-01 100%

2012-05-01 62.3%

2006-03-01 61.5%

2004-10-01 61.5%

2004-06-01 61.3%

2008-06-01 61.3%

2014-05-01 61.3%

2019-04-04 60.9%

2008-03-01 60.9%

2001-10-01 60.7%

2005-01-01 60.5%

2008-07-01 60.5%

2004-02-01 60.4%

2015-01-04 60.4%

2012-03-01 60.4%

2007-07-01 60.2%

2008-10-01 60.2%

2002-02-01 60%

2013-02-01 59.8%

2002-12-01 59.6%

2002-05-01 59.6%

2009-02-01 59.4%

2013-01-01 59.4%

2006-07-01 59.4%

2003-07-01 59.2%

1997-03-01 59%

2015-11-01 59%

2009-04-01 58.8%

2006-08-01 58.8%

2002-06-01 58.8%

2005-10-01 58.8%

1994-12-01 58.6%

2006-02-01 58.6%

1992-01-01 58.6%

2001-06-01 58.6%

2008-08-01 58.4%

2014-02-01 58.4%

2002-09-01 58.2%

2007-08-01 58%

2004-09-01 58%

2012-09-01 58%

2002-04-01 57.6%

2006-06-01 57.6%

2015-10-01 57.6%

2018-09-01 57.6%

2007-03-01 57.4%

2014-03-01 57.4%

2007-12-01 57.2%

2006-01-01 57.2%

2017-06-01 57.2%