82% (2005)

83% (1997)

76% (2001)

80% (1997)

84% (1989)

79% (2012)

85% (2011)

74% (2011)

85% (2010)

80% (2018)

87% (2013)

83% (2005)

82% (2010)

65% (2013)

82% (2014)

87% (2011)

84% (2013)

84% (2009)

77% (2009)

73% (1966)