|  | Number of |  | NOK million | 
 | 36-39 Water supply, sewerage, waste | 1 041 | 1 118 | 1.. | 9 645 | 20 136 | 22 191 | 14 082 | 15 914 | 3 065 | 3 781 | 2 219 | 2 637 | 
 | 36 Water supply | 383 | 422 | 1.. | 967 | 1 230 | 1 198 | 762 | 820 | 172 | 386 | 414 | 208 | 
 | 37 Sewerage | 149 | 154 | 855 | 968 | 1 214 | 1 387 | 699 | 824 | 303 | 358 | 264 | 450 | 
 | 38 Waste act., materials recovery | 491 | 513 | 6 805 | 7 667 | 17 672 | 19 548 | 12 597 | 14 193 | 2 580 | 3 011 | 1 527 | 1 937 | 
 | 38.1 Waste collection | 273 | 286 | 4 347 | 4 928 | 9 168 | 9 991 | 6 468 | 6 947 | 1 621 | 1 814 | 722 | 586 | 
 | 38.2 Waste treatment and disposal | 60 | 66 | 895 | 993 | 2 496 | 2 839 | 1 635 | 1 993 | 375 | 462 | 284 | 727 | 
 | 38.3 Materials recovery | 158 | 161 | 1 563 | 1 746 | 6 008 | 6 718 | 4 494 | 5 254 | 584 | 736 | 522 | 624 | 
 | 39 Remediation, other waste managem. | 18 | 29 | 28 | 43 | 20 | 60 | 24 | 77 | 9 | 26 | 14 | 41 | 
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