77% (1963)

76% (1960)

78% (1960)

56% (1962)

80% (1960)

69% (1959)

63% (1973)

68% (1971)

70% (1976)

64% (1956)

76% (1961)

63% (1957)

64% (1961)

67% (2016)

70% (1953)

74% (1956)

54% (1962)

71% (1986)

72% (1954)

72% (1961)