71% (1981)

73% (1959)

57% (1996)

62% (2009)

69% (2011)

57% (2024)

51% (2021)

64% (2010)

50% (2009)

56% (2016)

51% (1985)

58% (2013)

56% (2024)

67% (1988)

50% (2024)

59% (2003)

68% (1964)

67% (2011)

65% (1977)

63% (2018)