68% (2024)

78% (2012)

71% (2005)

75% (2009)

65% (2020)

72% (1977)

73% (1990)

69% (1967)

51% (2024)

50% (1998)

73% (2000)

78% (1969)

62% (2017)

58% (1976)

74% (1996)

69% (1990)

75% (1986)

73% (1970)

67% (2014)

66% (1989)