2014-09-01 100%
2005-10-01 65.6%
2008-06-01 65.2%
2007-03-01 64.6%
2006-11-01 64.3%
2018-09-01 64.3%
2009-12-01 64.1%
2004-06-01 64.1%
2017-06-01 63.7%
2005-02-01 63.5%
2007-12-01 63.1%
2002-10-01 62.9%
2006-02-01 62.7%
2004-10-01 62.7%
2007-07-01 62.1%
2004-05-01 62.1%
2002-02-01 61.9%
2002-11-01 61.9%
1997-03-01 61.7%
2014-05-01 61.7%
2001-10-01 61.7%
2006-08-01 61.5%
2009-02-01 61.3%
2008-01-01 61.3%
2007-01-01 61.3%
2004-09-01 61.3%
2015-04-01 61.1%
2015-12-01 61.1%
2019-04-04 60.9%
2005-01-01 60.7%
2002-12-01 60.5%
2005-03-01 60.5%
2006-03-01 60.5%
2015-11-01 60.4%
2004-04-01 59.8%
2008-08-01 59.8%
2015-05-01 59.8%
2008-07-01 59.6%
1992-01-01 59.4%
2006-07-01 59.4%
2013-06-01 59.4%
2004-03-01 59.4%
2009-11-01 59.2%
2002-09-01 59.2%
2012-03-01 59%
2003-09-01 59%
2015-09-01 59%
2009-04-01 58.8%
2015-06-02 58.8%
2006-06-01 58.8%