57% (1990)

68% (1933)

59% (1954)

63% (1988)

72% (1943)

71% (1952)

70% (2005)

53% (1951)

70% (1965)

66% (1975)

59% (1962)

64% (1951)

55% (1996)

62% (1989)

58% (2009)

65% (1964)

65% (1946)

73% (1926)

49% (1989)

76% (1932)