GKL revenue for the last year amounted to 396.70 B KRW, the most of which — 508.62 B KRW — came from its highest performing source at the moment, Casino Sales, the year earlier bringing 378.94 B KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought GKL 396.69 B KRW, and the year before that — 262.11 B KRW.