69% (2016)

63% (1980)

62% (1991)

65% (2006)

78% (2006)

62% (2007)

73% (2017)

64% (2009)

63% (2023)

64% (2021)

63% (1983)

61% (2007)

81% (2023)

77% (1986)

67% (1984)

70% (2006)

66% (2012)

75% (1931)

68% (2001)

56% (2003)