1970

6.6

1990

6.0

1938

5.2

1956

6.7

1987

5.8

2001

5.2

1925

5.9

1997

6.2

1945

6.1

1974

0.0

2022

5.0

2014

5.9

1996

6.2

1938

0.0

1937

5.9

2008

7.4

1972

6.4

1962

6.8

1994

6.2

1932

6.9