RELX PLC revenue for the last year amounted to 198.08 B MXN, the most of which — 67.74 B MXN — came from its highest performing source at the moment, Risk, the year earlier bringing 68.62 B MXN. The greatest contribution to the revenue figure was made by North America — last year it brought RELX PLC 115.14 B MXN, and the year before that — 117.99 B MXN.