59% (1953)

63% (1997)

64% (1958)

64% (1966)

63% (1964)

61% (1994)

69% (1932)

62% (1964)

67% (1956)

64% (1952)

58% (1921)

48% (1978)

63% (1964)

71% (1981)

58% (1992)

65% (1960)

50% (1939)

56% (2012)

54% (1990)

59% (1990)