S. AFRICAN PRODUCER PRICE INFLATION RISES IN APRIL South African year-on-year producer price inflation rose to 16.1 pct in April against 15.8 pct in March, Central Statistics Office figures show. The all items index (base 1980) rose a monthly 1.2 pct to 242.5 in April after increasing 1.1 pct to 239.6 in March and standing at 208.9 a year earlier.