73% (1966)

68% (1967)

79% (1962)

83% (1965)

71% (1960)

74% (1965)

67% (1969)

72% (1963)

59% (1965)

78% (1961)

57% (1983)

63% (1961)

50% (1966)

50% (1976)

65% (1966)

49% (1984)

71% (1965)

48% (1968)

76% (1963)

52% (1963)