* Example — 1952. total Community production 250 million metric tons, total Belgian production 30 million metric tons: 1953. total Community production 225 million metric tons. i.e. coefficient of decrease 0.9.
Sampla: I 1952, táirgeacht iomlán an Chomhphobail: 250 milliún tonna méadrach; na Beilge: 30 milliún tonna méadrach.