RELX Group plc (ADRs) revenue for the last year amounted to 10.45 B EUR, the most of which — 3.53 B EUR — came from its highest performing source at the moment, Risk, the year earlier bringing 3.35 B EUR. The greatest contribution to the revenue figure was made by North America — last year it brought RELX Group plc (ADRs) 6.00 B EUR, and the year before that — 5.76 B EUR.