78% (2014)

83% (2005)

75% (2003)

84% (2009)

82% (2011)

85% (1994)

84% (2008)

83% (2001)

85% (2016)

73% (2016)

58% (2003)

79% (1996)

85% (2017)

81% (2018)

66% (1995)

81% (2017)

80% (2007)

68% (1970)

78% (2003)

64% (2014)