49% (1985)

38% (1984)

0% (1985)

58% (1985)

40% (1993)

33% (1968)

23% (1986)

53% (1973)

56% (1976)

66% (1988)

53% (1987)

56% (1977)

34% (1992)

36% (1967)

42% (1976)

50% (1986)

53% (1971)

29% (1987)

25% (1992)

23% (1990)