|Sources of operating revenue |percentage | |Government grants |98.1 | |Interest received |0.2 | |Foreign donations received |1.3 | |Gain on sale of plant and equipment |0.3 | |Sundry income |0.1 | |Total |100 | |Categories of operating expenses |percentage | |Staff costs |60.9 | |Depreciation and amortisation |4.1 | |Professional services other operating expenses |3.8 | |Other operating expenses |31.2 | |Total |100 |