57% (1986)

74% (1987)

64% (1987)

55% (1987)

45% (1991)

30% (1986)

47% (1987)

20% (1986)

41% (1987)

44% (1987)

40% (1987)

60% (1986)

27% (1987)

0% (1986)

45% (1987)

53% (1987)