61% (1959)

51% (1970)

72% (1955)

50% (1954)

70% (1966)

75% (1953)

43% (1961)

58% (1965)

58% (1958)

100% (1962)

50% (1953)

66% (1962)

60% (1973)

64% (1963)

70% (1971)

49% (1967)

57% (1970)

57% (1967)

70% (1953)

50% (1954)