1949

5.6

1946

5.8

1950

5.9

1943

5.0

1940

6.4

1949

5.0

1946

6.2

1956

6.0

1949

5.9

1952

5.8

1945

5.6

1950

5.7

1938

6.0

1950

6.1

1943

6.4

1936

6.2

1950

7.4

1943

6.2

1951

5.8

1931

0.0

1949

6.8

1936

6.3

1952

6.0

1941

6.8

1951

4.7

1949

5.9

1947

6.8

1948

6.0

1945

5.9

1933

5.6

1939

6.6

1940

4.6

1936

0.0

1932

5.5

1938

4.7

1952

6.5

1950

6.5

1940

6.1

1937

5.3

1951

5.8

1939

0.0

1952

6.8

1940

4.8

1938

5.3

1949

6.1

1940

6.5

1946

6.7

1936

6.0

1945

6.1

1937

6.7

1944

5.6

1946

6.4

1929

5.3

1948

6.8

1951

6.3

1950

5.4

1949

7.3

1932

6.2

1949

5.8

1950

6.1

1947

6.6

1943

7.1

1941

5.5

1940

6.0

1931

0.0

1950

6.2

1950

6.8

1939

4.6