70% (2005)

72% (2010)

79% (2011)

81% (2019)

42% (2006)

76% (2007)

59% (2016)

65% (2009)

64% (2016)

71% (1986)

62% (2012)

77% (1992)

62% (1995)

84% (2018)

68% (2019)

48% (2009)

72% (1996)

62% (1984)

73% (2009)

0% (1984)