68% (2001)

0% (1978)

52% (1980)

22% (1981)

10% (1976)

41% (1975)

52% (1977)

50% (1979)

20% (1973)

56% (1981)

55% (1974)

20% (1980)

53% (1987)

50% (1977)

50% (1980)

70% (1982)

0% (1978)

80% (1979)

0% (1975)

0% (1979)