42% (1984)

71% (1985)

27% (1977)

69% (1984)

57% (1984)

0% (1976)

0% (1977)

63% (1982)

30% (1993)

80% (1985)

63% (1977)

0% (1974)

0% (1982)

60% (1981)

62% (1989)

80% (1977)

0% (1979)

68% (1990)

67% (1980)

0% (1975)