69% (2023)

77% (1994)

70% (2024)

69% (2017)

82% (1994)

71% (2022)

61% (2023)

73% (1989)

56% (1981)

64% (2022)

71% (1973)

69% (2011)

70% (2023)

71% (2023)

68% (2006)

67% (2015)

64% (2017)

63% (1992)

62% (2017)

67% (2016)