54% (1977)

76% (1977)

70% (1987)

61% (1968)

52% (1957)

67% (1985)

57% (1987)

20% (1977)

63% (1958)

69% (1944)

61% (1988)

62% (1982)

50% (1968)

27% (1986)

63% (1967)

32% (1946)

48% (1956)

15% (1989)

69% (1965)

0% (1987)