2008-06-01 100%
2007-08-01 64.9%
2004-09-01 64.1%
2014-05-01 63.6%
2009-06-01 63.4%
2002-03-01 63.1%
2006-06-01 62.8%
2006-01-01 62.4%
2002-11-01 62.4%
2002-06-01 62.2%
2011-08-01 62.2%
2002-05-01 62.2%
2009-02-01 62.1%
2018-09-01 61.9%
2002-10-01 61.7%
2006-02-01 61.6%
2015-11-01 61.5%
1997-03-01 61.2%
2001-07-01 61.2%
2014-09-01 61.2%
2008-02-01 61.1%
2013-01-01 61.1%
2006-07-01 61%
2013-03-01 60.4%
2005-01-01 60%
2008-08-01 59.9%
2012-05-01 59.9%
2018-11-01 59.9%
2014-02-01 59.9%
2002-02-01 59.8%
2017-06-01 59.7%
2004-05-01 59.6%
2019-04-04 59.5%
2014-03-01 59.4%
2007-03-01 59.3%
2001-06-01 59.2%
1988-07-01 59.2%
2008-03-01 59.2%
2021-01-08 59.1%
2015-05-01 59%
2019-11-01 58.9%
2005-02-01 58.8%
2003-12-01 58.8%
2006-03-01 58.8%
2015-10-01 58.7%
2007-09-01 58.7%
2008-10-01 58.7%
2007-07-01 58.7%
2004-06-01 58.6%
2005-10-01 58.5%