0% (1979)

53% (1974)

49% (1973)

76% (1977)

40% (1979)

60% (1968)

0% (1982)

0% (1976)

0% (1986)

0% (1966)

30% (1979)

0% (1975)

71% (1990)

62% (1973)

50% (1968)

50% (1979)

70% (1974)

0% (1989)

0% (1967)

0% (1988)