| Employees | 17 991 | 19 957 | 21 234 | 21 725 | 
 | Offshore | 5 534 | 6 414 | 6 181 | 6 561 | 
 | Onshore | 12 457 | 13 543 | 15 053 | 15 164 | 
 |  | NOK million | 
 | Wage costs | 23 084 | 23 952 | 27 868 | 29 599 | 
 | Offshore | 9 308 | 8 792 | 10 372 | 10 603 | 
 | Onshore | 13 776 | 15 160 | 17 497 | 18 996 | 
 |  |  |  |  |  | 
 | Gross value of production | 543 099 | 692 913 | 503 771 | 549 453 | 
 | Of this |  |  |  |  | 
 | Value of goods produced on own accounts | 511 824 | 660 841 | 468 862 | 513 017 | 
 |  |  |  |  |  | 
 | Intermediate consumption | 68 401 | 78 885 | 80 387 | 80 918 | 
 | Of this |  |  |  |  | 
 | Fields on stream | 32 510 | 35 997 | 39 172 | 38 818 | 
 | Non-operator costs | 5 492 | 8 405 | 5 617 | 6 113 | 
 |  |  |  |  |  | 
 | Value added | 474 698 | 614 028 | 423 383 | 468 535 | 
 |  |  |  |  |  | 
 | Royalties total | 4 061 | 3 747 | 2 675 | 2 710 | 
 | Of this |  |  |  |  | 
 | Production royalties | 0 | 0 | 0 | 0 | 
 | CO2-royalties | 4 061 | 3 747 | 2 675 | 2 710 | 
 |  |  |  |  |  | 
 | Value added at factor price | 470 637 | 610 281 | 420 708 | 465 824 | 
 |  |  |  |  |  | 
 | Accrued investments | 106 271 | 122 479 | 135 298 | 124 868 | 
 |  |