40% (2002)

38% (1985)

47% (1999)

10% (1996)

30% (1997)

39% (1995)

52% (1999)

18% (1996)

24% (1997)

58% (1997)

45% (1985)

30% (1998)

55% (1996)

0% (2008)

52% (1997)

10% (1996)

10% (1998)

35% (2000)

0% (1995)

68% (1996)