GERMAN PRODUCER PRICES RISE 0.1 PCT IN MAY West German producer prices rose 0.1 pct in May compared with April to stand 2.9 pct lower than in May last year, the Federal Statistics Office said. In April, producer prices fell 0.3 pct from March and dropped 3.6 pct from their levels a year earlier. The Statistics Office said producer prices for liquefied gas fell 10 pct in May from April and heavy heating oil prices declined 5.3 pct, while lead prices rose 23 pct and silver prices increased 13 pct.