2004

8.0

1998

8.3

2000

8.2

1983

8.2

1958

8.2

1995

7.2

1996

6.8

1967

7.5

1989

7.1

1999

8.5

1975

8.4

1991

8.3

1984

8.0

2017

5.1

1997

7.9

2006

6.6

2001

6.0

2007

7.2

2001

6.3

2024

0.0