85% (1975)

0% (1987)

72% (1983)

65% (1977)

0% (1982)

84% (1967)

74% (1991)

83% (1991)

50% (1986)

53% (1985)

50% (1988)

63% (1980)

50% (1987)

71% (1978)

65% (1985)

0% (1982)

0% (1988)

80% (1979)

100% (1989)

0% (1977)