68% (1956)

43% (1960)

50% (1939)

73% (1962)

45% (1947)

64% (1969)

60% (1943)

56% (1945)

60% (1951)

70% (1939)

75% (1950)

61% (1964)

63% (1966)

60% (1948)

55% (1945)

60% (1956)

50% (1953)

60% (1971)

52% (1960)

50% (1947)