;NOK Billion;NOK Billion;NOK Billion;Change in per cent from the previous year;Change in per cent from the previous year; June 2015;June 2016;June 2017;June 2016;June 2017; Distributed taxes, total;439;413;424;-5.8;2.6; Taxes to local government;83;90;93;7.8;3.4; Taxes to the central government;143;143;156;0.0;9.1; Taxes on extraction of petroleum;69;34;26;-50.9;-24.1; Contributions to the National Insurance Scheme;143;147;150;2.5;2.1;