50% (1963)

64% (1969)

65% (1958)

68% (1945)

50% (1947)

60% (1956)

64% (1953)

56% (1958)

60% (1962)

56% (1945)

40% (1956)

50% (1970)

63% (1952)

63% (1966)

61% (1958)

62% (1957)

65% (1946)

40% (1938)

50% (1957)

70% (1939)