71% (2002)

53% (2004)

62% (1964)

71% (1964)

65% (1963)

71% (2023)

68% (2023)

69% (2021)

69% (2023)

75% (1989)

75% (1960)

66% (1966)

47% (1961)

76% (1957)

68% (1977)

59% (1996)

60% (1962)

48% (1969)

60% (1963)

57% (2005)