42% (1982)

80% (1984)

72% (1979)

86% (1962)

46% (1982)

0% (1969)

0% (1987)

0% (1985)

80% (1982)

47% (1984)

0% (1970)

55% (1983)

60% (1978)

80% (1986)

70% (1987)

0% (1978)

27% (1986)

50% (1989)

85% (1986)

43% (1989)