38% (1978)

53% (1970)

63% (1987)

38% (1967)

60% (1946)

56% (1967)

58% (1983)

27% (1979)

33% (1977)

0% (1961)

0% (1982)

0% (1986)

0% (1974)

30% (1970)

0% (1986)

60% (1976)

75% (1976)

27% (1975)

53% (1941)

47% (1983)