37% (1980)

60% (1963)

58% (1971)

65% (1976)

80% (1974)

0% (1984)

45% (1986)

0% (1989)

60% (1938)

52% (1927)

65% (1982)

30% (1953)

57% (1973)

0% (1968)

0% (1979)

70% (1991)

60% (1971)

63% (1940)

0% (1972)

60% (1978)