1998

6.6

1975

6.6

1970

5.5

1936

5.7

2005

6.1

1981

6.0

1975

7.5

1920

7.1

1940

7.0

1962

7.0

1968

4.3

1966

0.0

1973

7.5

1972

2.8

1963

5.0

1937

7.0

1972

3.5

1974

5.9

1949

4.0

1925

6.6