ECOPETROL S.A. revenue for the last year amounted to 143.08 T COP, the most of which — 74.92 T COP — came from its highest performing source at the moment, Refining and Petrochemicals, the year earlier bringing 82.73 T COP. The greatest contribution to the revenue figure was made by Colombia — last year it brought ECOPETROL S.A. 71.75 T COP, and the year before that — 83.65 T COP.