0% (1980)

70% (1986)

54% (1971)

0% (1979)

39% (1977)

49% (1960)

50% (1960)

65% (1972)

0% (1982)

0% (1981)

0% (1969)

65% (1959)

50% (1980)

53% (1966)

45% (1972)

0% (1986)

0% (1985)

0% (1967)

0% (1974)

52% (1973)