76% (2012)

84% (2018)

76% (2017)

85% (2015)

82% (1984)

62% (1987)

61% (2023)

40% (1995)

77% (2010)

75% (1975)

78% (2006)

60% (2011)

70% (2016)

65% (2014)

77% (2009)

69% (2017)

58% (1989)

100% (2009)

100% (2014)

66% (2015)