;Turnover (NOK mill.);Turnover (NOK mill.);Change in per cent;Change in per cent; 5th period 2017;5th period 2016;5th period 2016 - 5th period 2017;this year compared with the same period last year (per cent); Industry division;;;;; Total;89324.3;84146.6;6.2;6.8; 41.2 Construction of residential and non-residential buildings;34438.8;32144.5;7.1;7.3; 42.1 Construction of roads and railways;9765.1;9781.5;-0.2;4.3; 42.2 Construction of utility projects;3243.5;2715.3;19.5;4.7; 42.9 Construction of other civil engineering projects;506.5;722.4;-29.9;-1.2; 43.1 Demolition and site preparation;11061.2;10124.7;9.2;10.5; 43.2 Electrical, plumbing and other construction installation activities;17568.7;16748.2;4.9;5.3; 43.3 Building completion and finishing;5007.2;4564.1;9.7;9.7; 43.9 Other specialised construction activities;7733.3;7345.9;5.3;6.0;