IHH revenue for the last year amounted to 6.01 B SGD, the most of which — 5.67 B SGD — came from its highest performing source at the moment, Hospital and Healthcare, the year earlier bringing 5.34 B SGD. The greatest contribution to the revenue figure was made by Singapore — last year it brought IHH 1.65 B SGD, and the year before that — 1.56 B SGD.