GILEAD SCIENCES INC revenue for the last year amounted to 28.70 T CLP, the most of which — 19.57 T CLP — came from its highest performing source at the moment, Human Immunodeficiency Virus, the year earlier bringing 16.03 T CLP. The greatest contribution to the revenue figure was made by United States — last year it brought GILEAD SCIENCES INC 20.55 T CLP, and the year before that — 17.14 T CLP.