1995

8.1

2003

7.2

1997

8.4

2000

7.8

1986

8.0

2002

7.4

1999

7.6

2023

7.0

1984

7.7

1994

7.7

2004

7.0

1989

8.0

2021

4.3

1978

8.0

1967

7.4

1999

7.0

1984

7.1

1993

7.1

2001

6.6

2002

7.1