1964

8.0

1955

4.5

1968

0.0

1951

8.6

1948

0.0

1963

5.2

1959

7.0

1967

4.7

1939

5.8

1948

5.0

1949

4.9

1958

0.0

1962

6.2

1956

6.3

1966

5.0