83% (1985)

78% (1972)

82% (1979)

72% (1970)

76% (1965)

77% (1925)

56% (1962)

74% (1969)

79% (1957)

0% (1967)

80% (1966)

79% (1962)

63% (1965)

44% (1961)

80% (1975)

78% (1983)

75% (1975)

79% (1964)

30% (1970)

76% (1965)