57% (1979)

0% (1989)

75% (1987)

0% (1988)

55% (1981)

41% (1979)

65% (1958)

50% (1971)

70% (1962)

80% (1979)

70% (1971)

42% (1965)

0% (1973)

60% (1974)

35% (1989)

55% (1969)

40% (1985)

0% (1990)

0% (1971)

0% (1966)