83% (2005)

69% (2001)

66% (2001)

66% (1998)

78% (2003)

75% (1996)

83% (2001)

73% (1995)

82% (1997)

78% (2003)

75% (1999)

82% (1998)

64% (1996)

74% (2001)

52% (2006)

0% (1996)

79% (2000)

70% (2005)

0% (2002)

79% (1996)