69% (1959)

60% (1958)

55% (1962)

50% (1963)

62% (1959)

63% (1960)

50% (1963)

67% (1961)

58% (1958)

52% (1960)

70% (1960)

0% (1958)

50% (1961)

50% (1959)

65% (1958)

57% (1961)

40% (1957)

40% (1960)

40% (1959)

79% (1957)