77% (1998)

80% (1985)

82% (1985)

14% (1983)

52% (1985)

45% (1983)

60% (2002)

42% (1988)

50% (1985)

0% (1986)

55% (1988)

0% (1975)

0% (1979)

60% (1985)

60% (1984)

60% (1984)

63% (1998)

50% (1990)

0% (1977)

0% (1977)