SWISS UNEMPLOYMENT FALLS TO 0.9 PCT IN FEBRUARY Swiss unemployment edged down to 0.9 pct of the working population from one pct in January and in February 1986, the Federal Office of Industry, Trade and Labour said. Seasonally adjusted, however, there was a slight rise in unemployment. The number out of work fell to 28,439, down 1,142 compared with the previous month. The number of vacant positions registered with employment offices stood at 11,968 against 10,694 in January.