85% (1966)

80% (1965)

56% (1980)

45% (1980)

62% (1972)

70% (1967)

10% (1976)

53% (1975)

46% (1970)

58% (1978)

85% (1969)

0% (1975)

41% (1977)

0% (1964)

10% (1975)

53% (1979)

52% (1977)

50% (1982)

52% (1971)

55% (1966)