56% (1940)

57% (1966)

60% (1968)

57% (2007)

66% (1999)

63% (1937)

57% (1983)

54% (1947)

40% (1942)

67% (1952)

61% (1944)

65% (1986)

60% (1977)

40% (1933)

60% (1981)

51% (1942)

62% (1964)

65% (1945)

69% (1935)

68% (1945)