62% (1999)

52% (1999)

52% (1999)

0% (1999)

25% (1996)

50% (1995)

42% (1999)

46% (1999)

44% (1997)

30% (1996)

48% (1999)

42% (1998)

28% (1998)

52% (1998)

37% (1999)

25% (1997)

50% (1997)

40% (1997)

10% (1996)

38% (1998)