60% (1974)

76% (2014)

59% (1998)

75% (2011)

83% (2009)

85% (2008)

76% (2016)

64% (1960)

72% (1994)

75% (2013)

82% (1996)

73% (2016)

79% (2018)

85% (2017)

45% (1972)

76% (1996)

77% (1957)

58% (1996)

76% (2016)

80% (2013)