0% (1972)

0% (1984)

0% (1986)

50% (1969)

50% (1979)

0% (1988)

52% (1966)

0% (1972)

0% (1991)

50% (1987)

50% (1990)

52% (1982)

0% (1988)

63% (1982)

0% (1969)

45% (1960)

50% (1974)

0% (1989)

50% (1988)

65% (1973)