66% (2015)

76% (2003)

83% (2005)

77% (2000)

82% (2017)

84% (2009)

80% (2017)

79% (2014)

55% (2015)

68% (1973)

78% (2010)

77% (2012)

82% (1998)

63% (1993)

77% (1993)

79% (2018)

69% (2001)

83% (2007)

85% (2017)

85% (2018)