SK GAS revenue for the last year amounted to 6.99 T KRW, the most of which — 9.12 T KRW — came from its highest performing source at the moment, Gas, the year earlier bringing 11.19 T KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought SK GAS 3.74 T KRW, and the year before that — 5.08 T KRW.