85% (1966)

81% (1965)

45% (1980)

56% (1980)

70% (1967)

52% (1975)

52% (1971)

60% (1972)

62% (1972)

15% (1981)

50% (1967)

58% (1978)

46% (1970)

80% (1969)

52% (1969)

56% (1979)

43% (1976)

50% (1982)

40% (1966)

56% (1967)