;3rd quarter 2016;3rd quarter 2017;Change in per cent; A. TOTAL REVENUE;272071;281043;3.3; Operating surplus extraction of petroleum;13652;16519;21.0; Tax revenue;139563;141133;1.1; Members' and employers' contribution to the National Insurance Scheme;98716;101711;3.0; Interest and dividends;7634;9238;21.0; Other revenue;12506;12442;-0.5; ;;;; B. TOTAL EXPENDITURE;290991;286855;-1.4; Operating costs;40025;36604;-8.5; Total fixed capital formation;19305;14330;-25.8; Total transfers;231661;235921;1.8; ;;;; C. SURPLUS BEFORE NET TRANSFERS TO THE GOVERNMENT PENSION FUND - GLOBAL;-18920;-5812;;