42% (1972)

62% (1966)

60% (1966)

54% (1965)

70% (1966)

60% (1970)

33% (1975)

58% (1968)

18% (1972)

48% (1964)

35% (1966)

51% (1962)

61% (1965)

48% (1976)

52% (1966)

45% (1976)

30% (1965)

34% (1964)

5% (1981)

60% (1965)