70% (1960)

76% (1963)

71% (1960)

74% (1959)

57% (1954)

73% (1960)

60% (1964)

65% (1958)

63% (1958)

66% (1965)

65% (1954)

53% (1963)

58% (1962)

74% (1963)

71% (1962)

58% (1963)

69% (1964)

0% (1964)

0% (1953)

55% (1964)