38% (2004)

51% (1950)

61% (1947)

73% (1940)

56% (1970)

60% (1965)

63% (1937)

53% (1932)

58% (1991)

42% (1939)

50% (1967)

59% (1942)

53% (1957)

72% (1931)

62% (1943)

55% (1965)

53% (1972)

53% (1980)

64% (1957)

72% (1945)