63% (2013)

64% (1981)

56% (2005)

68% (1936)

58% (1980)

52% (2001)

66% (1983)

78% (2023)

56% (1988)

72% (2004)

67% (2015)

72% (2013)

61% (2020)

65% (2008)

58% (2016)

58% (2011)

69% (1968)

72% (2013)

62% (2011)

77% (2024)