THE COMMERCIAL BANK PSQC revenue for the last year amounted to 4.56 B QAR, the most of which — 2.06 B QAR — came from its highest performing source at the moment, Wholesale Banking, the year earlier bringing 3.01 B QAR. The greatest contribution to the revenue figure was made by Qatar — last year it brought THE COMMERCIAL BANK PSQC 5.03 B QAR, and the year before that — 5.57 B QAR.