60% (1979)

0% (1994)

72% (1989)

46% (1993)

48% (1993)

0% (1992)

53% (1994)

50% (1975)

0% (1976)

76% (1988)

100% (1994)

60% (1992)

60% (1985)

50% (1985)

0% (1984)

60% (1991)

48% (1987)

50% (1982)

0% (1995)

50% (1994)