33% (1969)

52% (1961)

70% (1971)

42% (1963)

52% (1948)

20% (1955)

63% (1963)

47% (1964)

0% (1943)

50% (1970)

60% (1943)

80% (1963)

53% (1965)

52% (1953)

48% (1966)

49% (1960)

30% (1951)

45% (1947)

35% (1963)

34% (1966)