50% (1957)

55% (1958)

62% (1949)

63% (1963)

0% (1949)

53% (1979)

50% (1962)

52% (1956)

50% (1980)

50% (1957)

50% (1957)

54% (1955)

50% (1958)

52% (1957)

52% (1958)

55% (1950)

50% (1973)

50% (1970)

50% (1980)

53% (1951)