74% (1958)

82% (1959)

69% (1962)

58% (1974)

67% (1960)

71% (1964)

53% (1958)

60% (1958)

57% (1952)

50% (1957)

59% (1959)

45% (1959)

70% (1962)

0% (1960)

57% (1937)

50% (1958)

40% (1957)

58% (1960)

0% (1949)

60% (1936)