85% (1966)

81% (1965)

58% (1980)

70% (1967)

45% (1980)

46% (1970)

60% (1972)

53% (1979)

62% (1972)

60% (1963)

52% (1969)

50% (1967)

15% (1981)

53% (1975)

52% (1977)

47% (1982)

48% (1976)

55% (1966)

52% (1971)

72% (1960)