32% (1997)

50% (1999)

64% (1997)

28% (2001)

53% (2000)

20% (1995)

60% (1995)

15% (1997)

55% (1999)

35% (1995)

0% (2001)

53% (2002)

47% (1997)

38% (1994)

30% (1998)