77% (1999)

72% (2000)

95% (2005)

69% (1996)

53% (2005)

58% (2000)

68% (1998)

79% (2000)

69% (1999)

0% (1996)

0% (2004)

50% (1998)

77% (1994)

52% (1999)

68% (1998)

67% (1999)

90% (1996)

70% (1997)

60% (1995)

20% (2000)