82% (1985)

77% (1998)

0% (1979)

60% (2002)

55% (1988)

52% (1985)

0% (1977)

0% (1982)

60% (1984)

43% (1990)

15% (1983)

50% (1990)

50% (1985)

60% (1985)

45% (1983)

0% (1977)

0% (1988)

60% (1984)

42% (1988)

65% (1998)