Table

Fiscal value for companies, by depreciation groups. NOK million.
	2018
	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)	1 378 756	25 499	17 477	60 673	294 297	112 579	4 713	80 728	278 257	344 720	159 812
Purchase price of investments (NOK million)	267 339	11 220	4 211	30 349	125 559	17 217	2 331	10 199	29 234	22 244	14 776
Improvements of existing assets (NOK million)	15 230	217	82	127	7 084	1 387	17	511	1 741	2 184	1 880
Depreciation and write-down (NOK million)	8 652	14	12	68	1 054	168	3	3 026	2 472	1 233	603
Rest compensation by realisation (NOK million)	71 523	847	872	8 820	31 783	9 106	768	1 851	6 241	8 685	2 550
Basis for this year's depreciation (NOK million)	1 581 147	36 075	20 886	82 261	394 102	121 909	6 290	86 562	300 517	359 231	173 316
Transferred to profit and loss account (NOK million)	6 305	0	595	0	0	1 101	320	130	997	3 163	0
This year's depreciation (NOK million)	168 222	10 703	3 763	19 507	77 946	15 766	779	4 217	12 418	6 795	16 329
Additional depreciation for passenger cars, tractors, machinery (NOK million)	..	..	..	..	..	..	..	..	..	..	..
Closing balance per 31 December (NOK million)	1 419 229	25 373	17 717	62 753	316 156	107 244	5 830	82 475	289 096	355 599	156 986
Number of forms	423 100	43 606	12 121	53 788	132 707	8 858	567	4 647	65 909	35 230	65 667