80% (1943)

67% (1961)

80% (1955)

48% (1965)

57% (1971)

53% (1971)

56% (1976)

47% (1972)

50% (1972)

72% (1964)

52% (1970)

69% (1925)

65% (1946)

52% (1968)

45% (1973)

64% (1936)

62% (1967)

62% (1954)

65% (1950)

52% (1963)