62% (1966)

63% (1966)

59% (1956)

62% (1972)

58% (1966)

30% (1973)

54% (1967)

50% (1966)

42% (1970)

20% (1972)

0% (1963)

43% (1974)

64% (1965)

52% (1976)

58% (1974)

35% (1975)

20% (1968)

0% (1970)

55% (1970)

48% (1985)