42% (1982)

53% (1976)

20% (1980)

64% (1981)

50% (1968)

22% (1984)

37% (1984)

100% (1983)

47% (1978)

10% (1971)

68% (1968)

50% (1970)

43% (1978)

56% (1983)

30% (1976)

50% (1980)

42% (1967)

25% (1968)

0% (1963)