2006-07-01 100%
2004-05-01 65.4%
2019-04-04 65%
2004-02-01 64.5%
2001-10-01 64.3%
2007-07-01 64.1%
2005-10-01 63.7%
2002-10-01 63.5%
2005-01-01 63.1%
2008-03-01 63.1%
2014-02-01 62.9%
2006-03-01 62.7%
2008-06-01 62.3%
2014-05-01 62.3%
2015-11-01 62.1%
2008-08-01 61.7%
2002-02-01 61.7%
2010-04-01 61.5%
2004-09-01 61.3%
2013-02-01 61.1%
2002-11-01 61.1%
2006-11-01 61.1%
2004-10-01 61.1%
2002-06-01 60.9%
2012-03-01 60.9%
2007-01-01 60.7%
2008-07-01 60.7%
2007-11-01 60.5%
2004-06-01 60.4%
2018-09-01 60.2%
2015-04-01 60%
2009-02-01 60%
2013-01-01 60%
2006-08-01 59.8%
2009-04-01 59.6%
2006-05-01 59.6%
2012-05-01 59.6%
2005-02-01 59.4%
2008-02-01 59.4%
2014-03-01 59.4%
2014-09-01 59.4%
1997-03-01 59.2%
2015-05-01 59%
2015-10-01 59%
2002-12-01 58.8%
1992-01-01 58.8%
1993-01-01 58.8%
2006-06-01 58.8%
2013-05-01 58.8%
2008-10-01 58.8%