1984-10-01 100%

1989-08-01 61.5%

1996-03-01 60.9%

1998-02-01 60.5%

1998-11-01 60.4%

2000-03-01 59.8%

2013-01-02 59.1%

2010-09-01 58.4%

2009-12-02 58.1%

2013-10-01 58.1%

2016-06-01 58%

2021-12-09 57.9%

1988-09-01 57.8%

2021-11-10 57.5%

1988-11-01 57.5%

2024-04-03 57.5%

2013-01-05 57.4%

1988-03-01 57.3%

1989-09-01 57.3%

1988-01-01 57.2%

2016-08-01 57.1%

2012-07-01 57.1%

1994-10-01 57.1%

2017-09-01 57.1%

1997-02-01 57%

2017-10-01 56.9%

1988-04-01 56.9%

1990-01-01 56.9%

2019-05-02 56.9%

2014-07-01 56.9%

1983-02-01 56.8%

2015-01-04 56.8%

2012-04-01 56.6%

1983-08-01 56.5%

2004-04-01 56.5%

2017-05-01 56.5%

2021-10-13 56.4%

1985-04-01 56.4%

2010-02-01 56.4%

1988-10-01 56.3%

2021-02-06 56.3%

1993-05-01 56.3%

2002-09-01 56.3%

1992-02-01 56.2%

1997-04-01 56.1%

2017-01-02 56%

1990-10-01 56%

1994-12-01 55.9%

2025-01-01 55.9%

2024-12-01 55.9%