1961

4.0

2013

4.5

2013

5.4

2007

3.5

1976

6.9

1923

6.5

2009

9.0

2004

4.5

1974

6.0

2020

6.7

2001

5.0

1995

8.0

1978

7.0

1938

6.0

1997

5.8

1956

6.0

1994

6.5