80% (1957)

0% (1953)

55% (1979)

0% (1973)

0% (1976)

0% (1980)

65% (1974)

42% (1960)

0% (1987)

0% (1955)

0% (1977)

50% (1975)

60% (1974)

0% (1987)

10% (1988)

0% (1985)

20% (1978)

62% (1965)

0% (1981)

70% (1974)