62% (1966)

60% (1956)

63% (1966)

58% (1966)

0% (1970)

62% (1972)

48% (1985)

50% (1966)

54% (1967)

30% (1973)

20% (1972)

43% (1974)

52% (1976)

35% (1975)

55% (1970)

0% (1963)

64% (1965)

34% (1976)

63% (1969)

20% (1968)