1981-02-01 100%

1985-12-01 58.7%

1981-06-01 58.3%

1981-05-01 58.2%

1981-10-01 57.5%

1982-08-01 56.5%

2003-06-01 55.8%

1981-07-01 55.6%

1996-03-01 55.4%

1981-08-01 55.2%

1994-11-01 54.9%

1996-09-01 54.8%

1981-11-01 54.6%

1989-04-01 54.4%

2015-12-01 54.4%

1988-10-01 54.4%

1983-04-01 54.1%

1984-03-01 54.1%

2003-04-01 54%

1982-09-01 54%

1993-01-01 53.9%

1987-04-01 53.8%

2017-01-02 53.8%

1984-06-01 53.8%

2014-07-01 53.7%

2001-11-02 53.7%

2006-10-01 53.7%

1983-08-01 53.6%

2025-11-01 53.6%

1991-12-01 53.6%

2019-01-01 53.6%

2011-06-01 53.6%

2021-10-13 53.6%

1986-08-01 53.5%

2005-05-01 53.5%

1993-06-01 53.4%

1997-09-01 53.4%

2025-08-01 53.3%

1986-04-01 53.3%

1982-07-01 53.3%

1984-05-01 53.3%

1984-01-01 53.2%

1999-05-01 53.2%

1989-09-01 53.2%

2010-12-01 53.1%

1998-11-01 53.1%

2020-07-03 53.1%

1995-10-01 52.9%

2016-09-01 52.9%

1997-08-01 52.8%