|   | 
   | 
   | 
   | 
   | 
 NOK million2 | 
 | Construction, total | 
 49 283 | 
 50 578 | 
  191 921 | 
  199 844 | 
  313 057.7 | 
  360 003.3 | 
 | Construction total, except development of building prosjects | 
   | 
   | 
   | 
   | 
   | 
   | 
 | 41 Construction of buildings | 
 19 896 | 
 20 713 | 
 68 136 | 
 71 616 | 
  147 754.4 | 
  177 532.9 | 
 | 41.1   Development of building projects | 
 4 139 | 
 4 473 | 
 4 495 | 
 4 697 | 
 34 527.4 | 
 46 966.0 | 
 | 41.2   Construction of residential and non-residential buildings | 
 15 757 | 
 16 240 | 
 63 641 | 
 66 919 | 
  113 227.1 | 
  130 566.8 | 
 | 42 Civil engineering | 
  872 | 
  886 | 
 12 702 | 
 12 519 | 
 27 493.7 | 
 31 121.2 | 
 | 42.1   Construction of roads and railways | 
  313 | 
  332 | 
 7 278 | 
 7 395 | 
 17 747.3 | 
 21 323.9 | 
 | 42.2   Construction of utility projects | 
  406 | 
  406 | 
 4 518 | 
 4 251 | 
 7 969.5 | 
 8 107.5 | 
 | 42.9   Construction of other civil engineering projects | 
  153 | 
  148 | 
  906 | 
  873 | 
 1 776.9 | 
 1 689.8 | 
 | 43 Specialised construction activities | 
 28 515 | 
 28 979 | 
  111 083 | 
  115 709 | 
  137 809.6 | 
  151 349.2 | 
 | 43.1  Demolition and site preparation | 
 5 858 | 
 6 119 | 
 20 025 | 
 21 596 | 
 31 388.6 | 
 35 606.1 | 
 | 43.2  Electrical, plumbing and other construction installation activities | 
 7 721 | 
 7 785 | 
 52 146 | 
 53 923 | 
 65 071.7 | 
 70 407.3 | 
 | 43.3  Building completion and finishing | 
 9 497 | 
 9 576 | 
 18 826 | 
 19 270 | 
 16 956.4 | 
 18 217.7 | 
 | 43.9  Other specialised construction activities | 
 5 439 | 
 5 499 | 
 20 086 | 
 20 920 | 
 24 392.8 | 
 27 118.0 | 
  |