38% (1996)

18% (1996)

50% (1998)

34% (1996)

25% (2000)

32% (1998)

36% (1998)

40% (1997)

24% (1996)

44% (1996)

33% (1997)

10% (1996)

28% (2000)

10% (1997)

29% (1998)

20% (1996)

0% (1998)

30% (1997)

35% (1997)

40% (1997)