59% (1976)

71% (1984)

90% (1973)

54% (1986)

80% (1985)

69% (1986)

0% (1984)

62% (1968)

70% (1985)

30% (1983)

50% (1986)

50% (1972)

72% (1986)

0% (1974)

60% (1984)

0% (1973)

0% (1993)

0% (1991)

48% (1984)

39% (1977)