69% (1998)

82% (1999)

83% (2002)

75% (1995)

77% (1996)

53% (2004)

65% (1997)

67% (1999)

73% (1995)

74% (2003)

74% (2001)

74% (2001)

78% (2000)

100% (1995)

69% (1999)

52% (1999)

20% (2000)

61% (1996)

72% (2003)

60% (1995)