30% (1981)

70% (1966)

50% (1982)

55% (1985)

0% (1972)

70% (1984)

45% (1988)

0% (1977)

50% (1982)

0% (1986)

0% (1977)

50% (1986)

66% (1981)

0% (1952)

0% (1923)

0% (1973)

0% (1983)

0% (1974)

70% (1968)

0% (1980)