66% (1986)

60% (1990)

50% (1987)

0% (1988)

70% (1988)

65% (1992)

48% (1991)

65% (1986)

80% (1991)

62% (1990)

40% (1987)

0% (1991)

60% (1990)

60% (1986)

0% (1987)

65% (1986)

60% (1987)

0% (1986)

0% (1986)

84% (1990)