70% (1964)

75% (1964)

76% (1960)

71% (1962)

74% (1962)

59% (1955)

55% (1963)

59% (1966)

57% (1965)

65% (1960)

60% (1965)

65% (1961)

64% (1964)

51% (1965)

70% (1951)

59% (1960)

45% (1953)

90% (1961)

0% (1964)

63% (1963)