50% (1979)

53% (1985)

54% (1976)

45% (1955)

54% (1934)

70% (1963)

56% (1975)

30% (1958)

0% (1975)

40% (1960)

50% (1962)

55% (1957)

35% (1958)

50% (1962)

0% (1937)

0% (1976)