60% (1996)

50% (1997)

39% (1996)

47% (2009)

35% (1997)

30% (1996)

45% (1999)

72% (1995)

43% (1996)

52% (1999)

0% (2001)

0% (1994)

70% (1996)

59% (1995)

0% (1998)