RAMACO RES.INC. A DL-,01 revenue for the last year amounted to 540.24 M EUR, the most of which — 643.63 M EUR — came from its highest performing source at the moment, Metallurgical Coal, the year earlier bringing 628.34 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought RAMACO RES.INC. A DL-,01 643.63 M EUR, and the year before that — 628.34 M EUR.