BELGIAN UNEMPLOYMENT FALLS IN MARCH Belgian unemployment, based on the number of jobless drawing unemployment benefit, fell to 11.8 pct of the working population at the end of March from 12.1 pct at end of February, the National Statistics Office said. The rate compares with 12.0 pct at the end of March, 1986. The total number of jobless stood at 495,208, compared with 508,392 in February and 504,652 in March last year.