1940

5.9

1939

6.7

1950

7.0

1945

6.8

1941

0.0

1946

8.3

1943

6.6

1946

7.7

1950

4.7

1949

6.5

1948

7.0

1949

6.7

1956

5.2

1934

7.0

1936

4.0

1957

8.2