77% (1997)

71% (2010)

69% (2020)

74% (2022)

76% (1971)

70% (2011)

76% (2007)

77% (1996)

69% (2016)

63% (1974)

80% (2017)

70% (1966)

84% (2017)

75% (2018)

78% (2002)

78% (2010)

66% (2017)

79% (2020)

76% (2023)

68% (2006)