0% (1988)

63% (1986)

30% (1979)

50% (1977)

40% (1974)

66% (1957)

50% (1977)

0% (1962)

50% (1950)

50% (1968)

0% (1970)

50% (1947)

0% (1970)

0% (1994)

55% (1998)

59% (1964)

50% (1963)

72% (1982)

50% (1962)

25% (1962)