86% (2013)

83% (2005)

76% (1997)

86% (2007)

78% (2002)

80% (2002)

83% (2018)

80% (2009)

77% (2020)

77% (2002)

78% (2010)

82% (2016)

68% (2012)

79% (2006)

83% (2014)

100% (2006)

44% (2004)

81% (1971)

87% (2015)

78% (2001)