1939

6.2

1932

6.7

1932

6.8

1938

6.1

1933

7.1

1934

6.4

1950

7.0

1950

6.6

1933

6.8

1932

6.8

1932

7.8

1935

7.4

1941

6.3

1931

6.8

1952

6.3

1960

6.1

1939

6.0

1934

0.0

1945

4.2

1949

6.8

1956

0.0

1962

7.1

1941

5.7

1932

1.0

1956

5.2

1932

6.3

1936

5.6

1950

5.4

1960

4.8

1951

6.8

1947

4.6

1951

4.8

1939

7.1

1953

5.8

1936

6.5

1951

6.3

1938

6.5