83% (2005)

85% (2018)

80% (2009)

84% (2005)

80% (2004)

85% (2017)

81% (2005)

74% (2011)

75% (2013)

83% (2018)

80% (2001)

79% (2014)

72% (2012)

76% (2011)

69% (2001)

75% (1985)

82% (2015)

71% (2016)

65% (2015)

76% (2007)