1960

8.2

1952

7.7

1954

8.5

1927

8.1

1959

8.0

1929

6.5

1950

8.1

1950

8.3

1927

7.8

1953

7.7

1964

6.1

1944

7.6

1980

7.9

1946

8.3

1962

7.7

1972

0.0

1962

6.9

1970

7.2

1969

7.5

1968

6.3