0% (1979)

0% (1962)

0% (1976)

80% (1972)

60% (1988)

40% (1986)

80% (1974)

40% (1976)

65% (1982)

0% (1976)

0% (1985)

75% (1967)

44% (1957)

0% (1965)

0% (1986)

0% (1981)

54% (1952)

0% (1987)

65% (1970)

0% (1986)