2010-08-01 100%
2009-05-01 58.8%
2010-02-01 58.3%
2008-11-01 58.3%
2010-01-01 57.8%
2007-03-01 57.8%
2002-09-01 57.7%
1998-04-01 57.6%
2014-02-01 57.3%
2008-07-01 57.3%
2008-10-01 57.3%
2008-05-01 57.2%
2017-06-01 57.1%
2013-05-01 57%
2010-09-01 57%
2006-05-01 56.9%
2003-02-01 56.7%
1990-03-01 56.7%
2009-03-01 56.7%
2013-01-02 56.6%
2012-09-01 56.6%
2012-08-01 56.5%
2013-01-03 56.5%
2008-02-01 56.4%
2009-02-01 56.3%
2019-02-01 56.3%
2021-08-11 56.3%
2008-01-01 56.2%
2022-05-05 56.2%
2002-05-01 56.2%
2009-11-01 56.1%
2002-04-01 56%
2004-11-01 56%
2008-08-01 55.8%
2018-02-01 55.8%
2015-01-01 55.8%
1981-08-01 55.7%
2013-02-01 55.7%
1986-03-01 55.6%
2007-10-01 55.6%
1990-09-01 55.5%
2013-10-01 55.3%
2010-12-01 55.2%
2003-01-01 55.2%
2002-07-01 55.2%
2021-01-08 55.2%
1988-04-01 55.1%
2000-02-01 55.1%
2015-02-01 55.1%
1989-07-01 55.1%