78% (1997)

68% (1994)

73% (2013)

78% (2003)

56% (2016)

79% (1964)

76% (2005)

69% (1981)

76% (2016)

67% (2005)

76% (2024)

77% (2005)

72% (2016)

68% (2017)

70% (2006)

79% (1968)

64% (2008)

65% (1989)

68% (2024)

79% (1959)