PROTEC revenue for the last year amounted to 156.10 B KRW, the most of which — 156.07 B KRW — came from its highest performing source at the moment, System and Others, the year earlier bringing 198.77 B KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought PROTEC 109.39 B KRW, and the year before that — 132.23 B KRW.