0% (1975)

64% (1977)

50% (1989)

43% (1976)

90% (1983)

47% (1984)

60% (1953)

20% (1983)

28% (1985)

33% (1984)

0% (1958)

55% (1952)

50% (1967)

0% (1985)

50% (1965)

46% (1985)

80% (1958)

65% (1978)

80% (1983)

61% (1980)