84% (1965)

68% (1967)

79% (1962)

78% (1961)

74% (1965)

73% (1963)

56% (1983)

71% (1960)

72% (1966)

64% (1966)

60% (1966)

55% (1966)

63% (1961)

50% (1966)

59% (1965)

76% (1963)

67% (1969)

50% (1976)

71% (1965)

48% (1968)