95% (1994)

80% (1984)

78% (1991)

70% (1987)

68% (2001)

72% (1996)

78% (2004)

76% (1996)

50% (1993)

89% (1989)

75% (1996)

80% (2011)

63% (1996)

75% (1989)

63% (1992)