85% (1966)

81% (1965)

45% (1980)

15% (1981)

58% (1980)

50% (1982)

70% (1967)

62% (1972)

60% (1972)

52% (1975)

52% (1969)

0% (1975)

47% (1982)

51% (1973)

46% (1970)

52% (1971)

50% (1967)

40% (1969)

56% (1979)

20% (1976)