37% (1949)

60% (1977)

50% (1984)

66% (1986)

53% (1969)

0% (1936)

60% (1990)

50% (1986)

0% (1985)

60% (1974)

46% (1989)

65% (1991)

60% (1984)

50% (1981)

0% (1957)

54% (1962)

46% (1935)

45% (1980)

20% (1984)

20% (1988)