71% (1981)

56% (2024)

59% (2015)

79% (2021)

69% (2016)

65% (2000)

66% (2023)

77% (1987)

42% (2005)

76% (2005)

62% (2012)

72% (1961)

74% (2011)

70% (2025)

78% (2006)

71% (2010)

77% (2000)

68% (2022)

69% (2022)

64% (2018)