1943

5.0

1941

6.6

1949

7.0

1953

7.3

1968

6.3

1945

5.7

1951

6.3

1940

6.0

1950

6.1

1952

6.7

1966

6.0

1950

4.7

1967

7.0

1951

5.8

1964

6.7

1950

7.1

1969

6.0

1971

6.7

1947

7.0

1948

5.8

1946

7.4

1949

6.0

1942

4.1

1950

5.4

1966

6.0

1944

6.6

1964

6.2

1954

5.0