;NOK Billion;NOK Billion;NOK Billion;Change in per cent from the previous year;Change in per cent from the previous year; August 2016;August 2017;August 2018;August 2017;August 2018; Distributed taxes, total;515;533;570;3.4;7.0; Taxes to local government;113;117;120;3.7;3.0; Taxes to the central government;166;178;173;6.9;-2.8; Taxes on extraction of petroleum;42;40;71;-6.0;80.1; Contributions to the National Insurance Scheme;194;199;206;2.4;3.5;