78% (1923)

38% (1943)

56% (1964)

52% (1926)

54% (1961)

0% (1935)

0% (1983)

10% (1927)

0% (1961)

0% (1978)

50% (1988)

0% (1987)

0% (1961)

40% (1940)

30% (1971)

80% (1970)

80% (1976)

0% (1986)

60% (1991)

30% (1981)