1927

8.1

1959

7.8

1932

7.8

1930

7.7

1987

7.8

1959

8.0

2006

5.8

1930

7.3

1920

7.9

1941

8.0

1967

5.4

1968

0.0

1969

0.0

1966

7.2

1944

7.6

1961

7.7

1958

7.6

1980

7.9

1946

8.3

1962

7.7