63% (1956)

55% (1962)

52% (1967)

80% (1952)

53% (1963)

65% (1958)

45% (1947)

40% (1962)

35% (1956)

50% (1956)

58% (1960)

53% (1949)

70% (1954)

0% (1946)

55% (1963)

48% (1974)

54% (1961)

53% (1959)

60% (1951)

80% (1973)