50% (1957)

48% (1979)

43% (1962)

40% (1956)

80% (1964)

58% (1974)

48% (1958)

43% (1956)

50% (1979)

55% (1966)

62% (1962)

54% (1956)

25% (1963)

41% (1958)

38% (1957)

50% (1959)

38% (1960)

32% (1958)

55% (1958)

50% (1957)