;NOK Billion;NOK Billion;NOK Billion;Change in per cent from the previous year;Change in per cent from the previous year; September 2016;September 2017;September 2018;September 2017;September 2018; Distributed taxes, total;625;647;689;3.5;6.5; Taxes to local government;144;149;155;3.8;3.6; Taxes to the central government;196;207;203;5.8;-1.9; Taxes on extraction of petroleum;43;41;72;-3.6;74.2; Contributions to the National Insurance Scheme;243;249;259;2.6;3.9;