45% (2000)

45% (1995)

28% (1999)

28% (2000)

58% (1994)

30% (1994)

45% (2001)

51% (1994)

38% (1998)

0% (1989)

0% (1998)

25% (1996)

53% (2001)

100% (1999)

40% (1993)

60% (1997)

0% (1999)

50% (2000)

60% (1996)