73% (1980)

77% (2016)

73% (2004)

71% (2016)

78% (2018)

79% (2006)

76% (2021)

72% (1987)

84% (2022)

78% (2023)

82% (2008)

83% (2011)

83% (1997)

80% (2009)

84% (1990)

80% (2010)

79% (1976)

73% (1962)

84% (2016)

82% (1989)