77% (1963)

76% (1960)

80% (1960)

68% (1971)

78% (1960)

70% (1976)

71% (1986)

69% (1959)

63% (1973)

54% (1962)

48% (1982)

71% (1953)

69% (1955)

72% (1959)

56% (1962)

77% (1961)

69% (1959)

67% (2016)

63% (1953)

72% (1961)