77% (1963)

81% (1960)

56% (1962)

54% (1962)

68% (1971)

79% (1960)

76% (1960)

51% (1960)

77% (1961)

62% (1963)

70% (1953)

38% (1992)

63% (1953)

63% (1960)

51% (1961)

63% (2013)

72% (1986)

63% (1973)

70% (1959)

48% (1982)