57% (2004)

53% (1994)

72% (1963)

76% (1953)

76% (1962)

63% (2019)

70% (1961)

73% (1970)

65% (1964)

66% (2012)

64% (1976)

73% (1961)

55% (1988)

63% (1972)

62% (1960)

63% (1957)

62% (1951)

58% (2013)

61% (1952)

54% (2016)