1983-02-01 100%

1989-04-01 71.1%

1987-04-01 70.9%

1983-11-01 70.9%

1984-03-01 68.2%

1985-11-01 68%

1988-10-01 67%

1983-04-01 66.8%

1991-01-01 66.2%

1988-06-01 66.2%

1994-11-01 65.4%

1992-12-01 64.8%

1986-05-01 64.6%

2005-12-02 64.5%

1986-03-01 64.1%

1985-04-01 63.1%

1983-08-01 63.1%

1988-12-01 63.1%

2009-12-01 62.9%

2017-01-02 62.9%

2021-10-13 62.7%

2007-12-01 62.5%

1985-07-01 62.5%

2016-01-01 62.3%

2000-04-01 62.1%

1983-07-01 61.9%

1981-11-01 61.9%

1982-09-01 61.9%

1984-09-01 61.9%

2015-12-01 61.7%

1998-05-01 61.7%

1989-08-01 61.5%

1992-05-01 61.5%

1999-08-01 61.3%

2015-06-02 61.3%

1984-06-01 61.3%

1995-10-01 61.3%

2018-02-01 61.1%

1984-12-01 60.9%

2006-04-01 60.5%

1986-12-01 60.4%

2000-08-01 60.2%

2014-11-01 60.2%

2020-04-02 60.2%

2004-10-01 60%

2013-07-01 59.8%

1994-03-01 59.8%

1999-12-01 59.6%

1982-07-01 59.6%

1981-08-01 59.4%