85% (1966)

81% (1965)

44% (1980)

56% (1980)

62% (1972)

70% (1967)

52% (1975)

56% (1979)

50% (1967)

0% (1975)

15% (1981)

41% (1977)

0% (1964)

20% (1976)

60% (1972)

55% (1966)

52% (1969)

80% (1969)

47% (1982)

56% (1967)