80% (1943)

80% (1955)

52% (1971)

54% (1976)

67% (1961)

48% (1965)

50% (1970)

47% (1972)

45% (1972)

50% (1968)

72% (1964)

57% (1971)

48% (1970)

45% (1973)

65% (1933)

75% (1941)

56% (1963)

60% (1957)

65% (1951)

48% (1961)