64% (2021)

63% (2019)

69% (2018)

63% (1964)

67% (1984)

61% (2012)

70% (2009)

64% (1988)

67% (2011)

55% (2007)

76% (1946)

79% (2020)

68% (2007)

58% (2005)

73% (2017)

64% (1999)

70% (1998)

56% (1997)

72% (2021)

50% (2023)