71% (1951)

61% (1954)

76% (1945)

59% (1954)

61% (1995)

46% (1940)

73% (2011)

66% (1945)

65% (1954)

60% (1937)

67% (1947)

55% (1999)

70% (1974)

56% (1980)

50% (1973)

55% (1957)

60% (1985)

55% (1964)

72% (1939)

55% (2002)