0% (1971)

72% (1979)

50% (1958)

0% (1982)

40% (1990)

0% (1972)

70% (1972)

0% (1984)

48% (1987)

50% (1986)

56% (1965)

33% (1990)

70% (1977)

80% (1977)

60% (1977)

50% (1956)

50% (1960)

0% (1991)

0% (1971)

0% (1983)