1949

6.0

1931

3.7

1950

7.1

1931

0.0

1947

7.0

1935

4.7

1943

6.9

1945

6.4

1936

6.5

1948

5.9

1948

7.2

1930

6.5

1931

0.0

1947

6.1

1951

6.6

1941

6.3

1948

7.1

1945

6.7

1932

0.0

1939

7.1

1948

0.0

1946

6.2