53% (2003)

76% (2001)

78% (1995)

82% (1997)

77% (1997)

78% (2004)

69% (2001)

72% (2002)

74% (1999)

81% (2005)

75% (1999)

81% (2001)

83% (2002)

82% (1999)

74% (2001)

62% (1996)

65% (2000)

100% (2003)

62% (1996)

64% (1997)