1951

7.3

1954

7.1

1943

6.0

1950

5.9

1943

6.2

1946

6.5

1949

7.0

1944

5.6

1946

4.9

1956

6.9

1948

6.5

1944

6.7

1939

6.4

1953

6.4

1941

7.1

1946

7.7

1942

6.9

1952

8.1

1938

6.5

1943

6.8

1956

6.3

1947

6.6

1956

7.1

1941

6.4

1956

6.9

1939

6.7