CHARLES RIVER LABORATORIES revenue for the last year amounted to 70.14 B MXN, the most of which — 44.43 B MXN — came from its highest performing source at the moment, Discovery and Safety Assessment, the year earlier bringing 47.73 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought CHARLES RIVER LABORATORIES 39.87 B MXN, and the year before that — 45.68 B MXN.