61% (1959)

72% (1955)

51% (1970)

58% (1965)

75% (1953)

50% (1954)

50% (1953)

100% (1962)

43% (1961)

58% (1958)

60% (1973)

70% (1966)

70% (1971)

64% (1963)

68% (1956)

53% (1961)

52% (1951)

49% (1967)

56% (1960)

70% (1953)