20% (1986)

40% (1986)

0% (1972)

0% (1981)

0% (1981)

0% (1964)

50% (1980)

0% (1972)

50% (1936)

0% (1966)

30% (1973)

70% (1987)

70% (1935)

47% (1971)

60% (1981)

0% (1965)

70% (1972)

59% (1961)

20% (1961)

0% (1921)