67% (1961)

54% (1976)

80% (1955)

80% (1943)

50% (1970)

48% (1965)

47% (1972)

57% (1971)

45% (1972)

72% (1964)

52% (1971)

45% (1973)

50% (1968)

69% (1925)

56% (1963)

60% (1957)

48% (1970)

48% (1961)

52% (1963)

65% (1951)