54% (1931)

63% (1972)

59% (1973)

63% (1948)

57% (1940)

72% (2010)

56% (1940)

74% (2012)

78% (1976)

59% (1939)

58% (1945)

57% (1974)

62% (1972)

64% (1974)

63% (1944)

44% (1994)

61% (1946)

54% (1962)

64% (1934)

62% (1945)