71% (2015)

73% (2014)

63% (2014)

61% (1987)

65% (1975)

73% (1973)

62% (2018)

68% (2012)

58% (1983)

65% (2017)

78% (2015)

63% (1965)

66% (2022)

62% (2016)

69% (2018)

59% (2009)

70% (2017)

68% (2018)

72% (2010)

72% (2022)