88% (2002)

69% (1981)

79% (1996)

82% (2005)

79% (1998)

78% (2013)

72% (2011)

76% (2018)

74% (2010)

63% (2014)

73% (2001)

86% (2000)

70% (2004)

61% (2005)

62% (2013)

63% (2004)

85% (2004)

80% (1999)

81% (2002)

80% (1985)