2012-03-01 100%

2014-05-01 63.9%

2007-07-01 63.7%

2013-02-01 63.5%

2015-11-01 63.5%

2008-10-01 63.3%

2006-03-01 63.1%

2014-02-01 62.9%

2013-05-01 62.9%

2008-08-01 62.5%

2012-07-01 62.3%

1992-01-01 62.1%

2013-01-01 62.1%

1993-01-01 61.7%

2008-07-01 61.7%

2008-03-01 61.7%

2019-04-04 61.5%

2018-09-01 61.5%

2002-04-01 61.1%

2002-09-01 61.1%

2009-02-01 60.9%

2006-07-01 60.9%

2010-04-01 60.7%

2002-07-01 60.7%

2008-02-01 60.4%

2004-11-01 60.4%

2006-11-01 60.2%

2004-09-01 60.2%

2004-05-01 60%

2001-10-01 60%

2004-10-01 60%

2006-08-01 59.8%

1992-02-01 59.8%

2002-02-01 59.8%

2004-02-01 59.8%

2006-06-01 59.8%

1996-04-01 59.6%

2010-08-01 59.6%

2007-08-01 59.4%

2014-03-01 59.4%

2012-05-01 59.4%

2002-10-01 59.2%

2003-09-01 59.2%

2012-09-01 59%

2014-09-01 59%

2002-06-01 58.8%

2006-05-01 58.8%

2005-10-01 58.8%

1997-09-01 58.8%

2015-04-01 58.6%