DO-CO revenue for the last year amounted to 29.73 B TRY, the most of which — 22.41 B TRY — came from its highest performing source at the moment, Airline Catering, the year earlier bringing 8.47 B TRY. The greatest contribution to the revenue figure was made by Turkey — last year it brought DO-CO 7.83 B TRY, and the year before that — 2.74 B TRY.