AMGEN INC revenue for the last year amounted to 23.73 B CHF, the most of which — 22.66 B CHF — came from its highest performing source at the moment, Human Therapeutics, the year earlier bringing 22.93 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought AMGEN INC 16.68 B CHF, and the year before that — 17.20 B CHF.