54% (2003)

78% (1995)

81% (1997)

76% (2001)

79% (2004)

78% (1997)

74% (1999)

62% (1996)

53% (2005)

70% (1997)

65% (1997)

69% (1998)

95% (2005)

68% (1999)

81% (2005)

90% (1996)

50% (1999)

20% (2000)

74% (1996)

79% (2000)