0% (1977)

10% (1989)

0% (1985)

0% (1981)

0% (1949)

0% (1973)

0% (1988)

20% (1972)

0% (1953)

0% (1971)

50% (1978)

70% (1988)

72% (1966)

0% (1980)

47% (1971)

81% (1972)

70% (1978)

0% (1986)

0% (1964)

74% (1976)