30% (2002)

41% (1999)

34% (2005)

0% (1999)

44% (1999)

20% (1999)

32% (2002)

0% (1998)

0% (2000)

10% (2001)

37% (2001)

45% (2000)

25% (2002)

20% (2000)

20% (1998)

28% (1999)

0% (2000)

10% (2000)

0% (1997)

20% (1998)