86% (2018)

69% (2001)

83% (2005)

81% (2001)

83% (2005)

72% (2016)

79% (2004)

82% (2015)

82% (2018)

82% (2017)

80% (2009)

74% (2011)

81% (2005)

70% (2011)

71% (2012)

75% (2011)

76% (2007)

72% (2006)

85% (2017)

78% (2014)