63% (1972)

51% (1985)

54% (1966)

60% (1971)

45% (1978)

39% (1972)

50% (1974)

63% (1972)

62% (1951)

0% (1951)

20% (1973)

53% (1977)

59% (1980)

0% (1971)

52% (1981)

50% (1973)