68% (2001)

0% (1978)

53% (1987)

52% (1980)

52% (1977)

22% (1981)

10% (1976)

56% (1981)

50% (1980)

0% (1978)

55% (1974)

70% (1982)

0% (1982)

10% (1983)

50% (1979)

0% (1975)

0% (1977)

20% (1980)

41% (1975)

50% (1977)