62% (1932)

70% (1975)

60% (1951)

58% (1978)

50% (1979)

50% (1955)

55% (1957)

57% (1986)

66% (1964)

61% (1965)

62% (1958)

50% (1958)

58% (1982)

50% (1987)

72% (1972)

50% (1958)

0% (1980)

0% (1974)

20% (1922)

44% (1985)