84% (2004)

81% (1988)

83% (1997)

79% (1989)

80% (1986)

80% (1995)

78% (1992)

71% (2002)

64% (1994)

74% (1993)

78% (1985)

74% (1991)

76% (2000)

78% (1988)

62% (2000)

50% (2014)

82% (1993)

66% (2013)

63% (1986)

72% (2024)