83% (1985)

82% (1979)

76% (1966)

76% (1965)

78% (1929)

80% (1957)

80% (1975)

76% (1968)

79% (1972)

76% (1925)

78% (1983)

63% (1965)

79% (1962)

73% (1925)

80% (1966)

73% (1944)

80% (1975)

79% (1969)

76% (1980)

80% (1959)