2003-05-01 100%

2006-03-01 56.8%

2004-09-01 56.8%

2008-05-01 56.6%

2010-04-01 56.4%

2009-09-01 56.3%

2001-04-01 55.9%

2002-07-01 55.9%

2006-05-01 55.9%

2005-06-01 55.7%

2008-06-01 55.7%

2008-02-01 55.5%

2012-02-01 55.5%

2015-01-01 55.3%

2003-12-01 55.1%

1993-07-01 55.1%

2013-10-01 55.1%

1984-02-01 54.9%

2003-10-01 54.9%

2012-04-01 54.7%

2006-12-01 54.7%

2008-07-01 54.7%

2002-06-01 54.7%

2004-05-01 54.7%

2008-11-01 54.5%

2008-01-01 54.3%

2007-03-01 54.3%

2012-03-01 54.3%

1982-02-01 54.1%

2007-07-01 54.1%

2002-09-01 54.1%

2009-04-01 53.9%

1989-12-01 53.9%

2005-12-01 53.9%

2015-01-04 53.9%

2017-07-01 53.9%

2001-06-01 53.9%

2003-03-01 53.9%

2003-09-01 53.9%

2019-04-04 53.7%

2003-07-01 53.7%

1986-06-01 53.7%

2006-11-01 53.7%

1991-10-01 53.7%

1982-04-01 53.5%

1992-04-01 53.5%

1989-08-01 53.5%

2006-08-01 53.5%

2007-08-01 53.5%

2008-08-01 53.5%