76% (1953)

72% (1963)

53% (1994)

57% (2004)

65% (1964)

76% (1962)

64% (1976)

70% (1961)

63% (2019)

62% (1960)

62% (1972)

66% (2012)

73% (1970)

73% (1961)

64% (1957)

61% (1952)

62% (1951)

54% (1974)

67% (1953)

58% (2013)