0% (1983)

70% (1974)

66% (1981)

68% (1975)

57% (1979)

71% (1983)

64% (1986)

54% (1985)

45% (1980)

62% (1984)

0% (1978)

48% (1977)

0% (1983)

0% (1980)

50% (1981)

80% (1979)

60% (1984)

52% (1980)

34% (1979)

60% (1974)