AMGEN INC revenue for the last year amounted to 24.86 T CLP, the most of which — 23.73 T CLP — came from its highest performing source at the moment, Human Therapeutics, the year earlier bringing 21.13 T CLP. The greatest contribution to the revenue figure was made by United States — last year it brought AMGEN INC 17.47 T CLP, and the year before that — 15.84 T CLP.