76% (2000)

75% (2000)

67% (1997)

76% (1994)

72% (1998)

78% (1995)

56% (1998)

66% (1998)

71% (2003)

63% (1999)

82% (1996)

74% (1994)

62% (1997)

70% (1996)

86% (1998)

69% (2016)

86% (2002)

79% (1999)

65% (2000)

69% (2001)