2003-07-01 100%
2005-01-01 63.1%
2003-12-01 61.3%
2004-06-01 61.1%
2005-02-01 60.9%
2019-04-04 60.7%
2009-04-01 60.4%
2012-05-01 60.2%
2008-06-01 59.8%
2008-02-01 59.2%
2004-03-01 59.2%
2005-10-01 59%
2008-03-01 58.6%
2006-08-01 58.4%
2002-12-01 58.4%
2007-01-01 58.4%
2002-06-01 58.2%
2008-05-01 58%
2006-07-01 57.8%
2001-10-01 57.8%
2002-02-01 57.6%
2006-03-01 57.6%
2014-05-01 57.4%
2018-09-01 57.4%
2006-02-01 57.2%
2004-05-01 57.2%
2004-09-01 56.8%
2005-08-01 56.6%
2008-07-01 56.6%
2004-10-01 56.4%
2015-10-01 56.4%
2003-09-01 56.4%
2007-12-01 56.3%
2009-12-01 56.3%
2013-02-01 56.3%
2015-11-01 56.3%
1995-04-01 55.9%
2014-02-01 55.9%
2007-11-01 55.9%
2004-02-01 55.3%
2007-09-01 55.3%
2010-04-01 55.1%
2011-04-01 55.1%
2006-12-01 55.1%
2006-11-01 55.1%
2007-10-01 55.1%
2010-10-01 55.1%
2002-09-01 55.1%
2008-01-01 54.9%
2015-01-04 54.9%