42% (1976)

63% (1968)

43% (1984)

69% (1974)

58% (1969)

38% (1966)

20% (1964)

70% (1954)

20% (1964)

33% (1971)

0% (1950)

41% (1976)

65% (1948)

45% (1965)

50% (1953)

10% (1974)

45% (1963)

42% (1969)

0% (1954)

49% (1962)