5. Interest income and expense

Interest and similar income

  20142013
Interest income calculated using the effective interest rate method, with respect to financial assets, which are not measured at fair value through profit and loss, of which: 9,944,868 9,774,336
  Income from loans and advances to customers, of which: 9,146,594 9,062,589
    from impaired loans 467,098 499,865
  Income from loans to banks 7,229 2,941
  Income from investment securities 641,242 539,640
  Income from placements with banks 140,097 165,156
  Other 9,706 4,010
Other income, of which: 792,563 989,158
  Income from financial assets designated upon initial recognition at fair value through profit and loss 388,234 470,979
  Income from derivative hedging instruments (Note 20) 343,316 454,278
  Income from trading assets 61,013 63,901
Total 10,737,431 10,763,494

Interest expense and similar charges

 20142013
Interest expense calculated using the effective interest rate method, with respect to financial liabilities, which are not measured at fair value through profit and loss, of which:  (3,192,259) (4,018,230)
  Interest expense on amounts due to customers (2,541,207) (3,457,801)
  Interest expense on loans from banks (86,052) (31,984)
  Interest expense on debt securities in issue and subordinated liabilities (512,676) (472,588)
  Premium expense on debt securities available for sale (40,927) (38,737)
  Interest expense on deposits from banks (11,397) (17,120)
Other expense (22,241) (23,302)
  Interest expense on financial assets designated upon initial recognition at fair value through profit and loss (10,234) (14,375)
  Interest expense on trading assets (12,007) (8,927)
Total (3,214,500) (4,041,532)