SIA revenue for the last year amounted to 17.77 B SGD, the most of which — 15.54 B SGD — came from its highest performing source at the moment, Full Service Carrier, the year earlier bringing 7.04 B SGD. The greatest contribution to the revenue figure was made by East Asia — last year it brought SIA 8.76 B SGD, and the year before that — 4.45 B SGD.