Table

Fiscal value for companies, by depreciation groups. NOK million.
	2017
	Total	Office machines	Acquired goodwill	Trailers, trucks, vans etc	Passenger cars, tractors, machinery and such	Ships etc	Aircrafts and helicopters	Installations for transmission and distribution of electric power and electrotechnical equipment in power companies	Buildings and installations	Commercial buildings	Technical installations in buildings
Opening balance per 1 January (NOK million)	1 283 140	25 618	17 432	58 868	263 233	92 514	4 636	77 073	261 254	324 886	157 625
Purchase price of investments (NOK million)	267 980	11 129	3 133	28 180	123 806	18 961	1 857	8 392	31 103	24 971	16 446
Improvements of existing assets (NOK million)	14 868	170	16	815	4 341	1 796	284	499	1 500	2 885	2 560
Depreciation and write-down (NOK million)	3 641	39	3	260	288	303	6	297	1 170	930	347
Rest compensation by realisation (NOK million)	62 977	1 085	1 264	7 903	30 947	9 836	515	472	5 474	4 119	1 362
Basis for this year's depreciation (NOK million)	1 499 370	35 794	19 314	79 700	360 147	103 133	6 257	85 195	287 214	347 694	174 922
Transferred to profit and loss account (NOK million)	5 783	0	730	0	0	2 196	211	-73	1 866	854	-1
This year's depreciation (NOK million)	156 472	10 426	3 466	18 843	69 261	13 690	815	4 180	12 009	6 787	16 994
Additional depreciation for passenger cars, tractors, machinery (NOK million)	..	..	..	..	..	..	..	..	..	..	..
Closing balance per 31 December (NOK million)	1 348 680	25 368	16 579	60 856	290 886	91 638	5 653	80 942	277 071	341 761	157 927
Number of forms	411 266	42 638	12 126	52 461	128 798	8 203	525	4 400	63 860	34 153	64 102