1995

7.1

2001

7.1

1987

7.5

1989

8.0

1990

6.1

1996

6.3

2004

7.2

1956

6.7

1978

8.0

1992

6.5

2023

5.7

1995

6.9

1983

6.6

2000

6.3

1995

6.3

2023

6.0

0.0

2004

6.2

2017

5.8

1991

6.1