AMGEN INC revenue for the last year amounted to 478.81 B MXN, the most of which — 457.07 B MXN — came from its highest performing source at the moment, Human Therapeutics, the year earlier bringing 483.73 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought AMGEN INC 336.41 B MXN, and the year before that — 362.69 B MXN.