75% (1964)

69% (1964)

71% (1962)

57% (1965)

60% (1965)

76% (1960)

59% (1955)

65% (1960)

90% (1961)

59% (1966)

70% (1951)

74% (1962)

56% (1963)

63% (1960)

63% (1963)

50% (1960)

45% (1953)

65% (1961)

45% (1961)

0% (1964)