95% (1994)

76% (1996)

78% (1991)

80% (1984)

68% (2001)

70% (1987)

71% (1996)

77% (2004)

89% (1989)

50% (1993)

63% (1992)

75% (1996)

75% (1989)

80% (2011)

63% (1996)