20% (1979)

0% (1983)

0% (1923)

0% (1972)

80% (1985)

30% (1978)

60% (1947)

50% (1986)

0% (1985)

63% (1977)

0% (1974)

0% (1977)

80% (1988)

78% (1988)

35% (1968)

60% (1954)

0% (1990)

50% (1988)

0% (1984)

47% (1972)