60% (1979)

37% (1976)

55% (1979)

33% (2000)

53% (1978)

0% (2002)

52% (1999)

0% (1977)

52% (1990)

40% (2002)

50% (1974)

33% (2001)

65% (2001)

27% (1998)

47% (1999)

0% (1979)

53% (1978)

56% (2001)

68% (1975)

63% (1994)