76% (1968)

55% (2015)

74% (2024)

62% (2024)

69% (1959)

64% (2013)

63% (2023)

78% (1964)

80% (2009)

67% (1996)

65% (2005)

78% (1959)

70% (1959)

63% (2012)

70% (2023)

68% (1989)

78% (2023)

59% (2001)

66% (2016)

65% (1987)