70% (1938)

0% (1961)

70% (1958)

77% (1977)

49% (1955)

35% (1976)

0% (1985)

60% (1980)

54% (1977)

34% (1987)

52% (1966)

59% (1987)

20% (1982)

60% (1972)

57% (1984)

71% (1982)

64% (1946)

52% (1953)

50% (1985)

50% (1984)