73% (2015)

85% (2017)

85% (2018)

74% (2013)

81% (2011)

80% (2016)

81% (2018)

76% (2009)

74% (2015)

74% (2016)

87% (2013)

83% (1999)

81% (1994)

75% (1987)

79% (2023)

79% (2005)

79% (1994)

77% (2007)

85% (1992)

80% (2018)