74% (1955)

72% (1960)

70% (1962)

59% (1954)

59% (1961)

45% (1954)

50% (1940)

67% (1951)

42% (1961)

54% (1943)

43% (1955)

43% (1959)

49% (1957)

50% (1941)

61% (1952)

39% (1957)

50% (1951)

48% (1953)

46% (1960)

44% (1958)