65% (1984)

52% (1980)

70% (1959)

30% (1979)

28% (1926)

0% (1982)

70% (1978)

0% (1972)

0% (1983)

30% (1962)

0% (1961)

0% (1981)

90% (1969)

0% (1975)

70% (1949)

58% (1969)

90% (1990)

30% (1971)

60% (1941)

38% (1986)