1941

5.5

1932

5.1

1939

5.7

1946

6.3

1942

6.4

1941

5.8

1943

6.1

1942

6.2

1941

7.3

1940

5.8

1943

5.8

1943

6.8

1945

6.8

1939

6.1

1938

6.8

1939

7.1

1939

6.7

1942

5.7

1945

5.4

1945

7.1

1944

5.6

1946

6.5

1942

6.7

1960

4.6

1939

6.0