34% (2005)

41% (1999)

30% (2002)

22% (2001)

0% (1999)

20% (1999)

0% (2000)

32% (2002)

37% (2001)

20% (1998)

0% (2001)

10% (1999)

20% (2000)

10% (2000)

25% (2002)

0% (1998)

10% (2000)

0% (1997)

0% (2000)

20% (1998)