80% (1999)

83% (2011)

83% (2005)

77% (2013)

77% (2021)

82% (2006)

86% (2004)

83% (2022)

83% (2005)

77% (2000)

73% (2009)

76% (2009)

80% (2004)

84% (2008)

86% (1997)

78% (2002)

83% (1997)

84% (1987)

75% (1976)

59% (1998)