0% (1971)

30% (1928)

50% (1937)

0% (1978)

30% (1987)

70% (1979)

0% (1983)

50% (1975)

60% (1969)

28% (1926)

40% (1924)

60% (1981)

38% (1966)

30% (1962)

0% (1937)

20% (1986)

48% (1960)

20% (1964)

20% (1986)

43% (1979)