82% (1979)

83% (1985)

77% (1925)

78% (1972)

80% (1975)

80% (1966)

71% (1970)

0% (1985)

77% (1965)

79% (1969)

76% (1968)

79% (1957)

80% (1975)

80% (1977)

72% (1969)

69% (1967)

73% (1974)

76% (1980)

80% (1977)

78% (1962)