38% (1985)

47% (1999)

18% (1996)

40% (2002)

52% (1999)

10% (1998)

28% (1998)

58% (1997)

68% (1996)

55% (2000)

20% (1996)

55% (1996)

33% (1997)

10% (1996)

0% (1995)

44% (1985)

24% (1997)

10% (1997)

30% (1999)

32% (2000)