43% (1982)

45% (1976)

62% (1962)

42% (1987)

48% (1982)

60% (1964)

52% (1964)

60% (1964)

31% (1981)

39% (1964)

41% (1985)

53% (1965)

43% (1971)

55% (1964)

10% (1984)

10% (1975)

35% (1971)

43% (1970)

50% (1981)