0% (1960)

48% (1990)

38% (1964)

0% (1972)

30% (1975)

30% (1989)

30% (1983)

70% (1947)

40% (1986)

70% (1985)

0% (1982)

0% (1962)

33% (1955)

60% (1967)

10% (1979)

0% (1982)

43% (1977)

55% (1964)

0% (1983)

10% (1961)