0% (1972)

72% (1982)

64% (1936)

70% (1977)

60% (1950)

65% (1978)

10% (1979)

65% (1981)

40% (1960)

64% (1974)

62% (1979)

58% (1958)

0% (1973)

0% (1974)

90% (1988)

50% (1985)

55% (1984)

0% (1988)

20% (1990)

70% (1989)