65% (1964)

61% (1959)

40% (1963)

56% (1959)

64% (1962)

0% (1959)

61% (1962)

38% (1964)

60% (1962)

46% (1963)

65% (1961)

53% (1959)

90% (1961)

40% (1963)

30% (1962)

63% (1963)

41% (1962)

43% (1961)

35% (1961)

25% (1960)