83% (1985)

82% (1979)

0% (1985)

78% (1972)

80% (1975)

71% (1970)

80% (1966)

77% (1965)

79% (1957)

70% (1938)

69% (1967)

76% (1968)

80% (1975)

76% (1925)

79% (1967)

71% (1966)

80% (1973)

72% (1969)

79% (1969)

80% (1977)