Table 3 Fiscal value and depreciation for limited companies, by depreciation groups. 2007. NOK million

3 Fiscal value and depreciation for limited companies, by depreciation groups. 2007. NOK million
	Total	Office machines	Acquired goodwill	Trailers, trucks, vans etc.	Passenger cars, tractors, machinery and such	Ships etc.	Aircrafts and helicopters	Buildings and installations¹	Commercial buildings


Opening balance per 1 January 2007	679 601	13 744	24 740	16 334	137 696	62 187	4 973	208 253	211 675

+ Purchase price of investments	169 878	6 386	1 941	8 977	57 209	27 252	1 108	31 069	35 937
+ Improvements of existing assets	8 647	110	28	109	1 310	1 128	95	2 953	2 914
- Depreciation and write-down²	4 711	27	1	13	408	297	-	2 129	1 835
- Rest compensation by realisation³	52 663	431	1 803	2 805	8 539	17 531	542	7 399	13 613

Basis for this year's depreciation	800 753	19 782	24 905	22 601	187 268	72 739	5 634	232 745	235 079

Transferred to profit and loss account	13 893	-	1 543	-	-	5 619	78	2 748	3 906
- This year's depreciation	77 205	5 806	4 960	4 486	36 436	10 327	677	9 914	4 600

Closing balance by 31 December 2007	737 441	13 976	21 488	18 115	150 832	68 031	5 035	225 579	234 386

Number of forms in the sample	244 562	40 222	11 792	34 551	87 220	4 986	387	42 452	22 952

¹	Includes installations for transmission and distribution of electric power and electrotechnical equipment in power companies.
²	Includes downwritten value by separation of non-financial current assets, amount of downwriting with sales profit and government subsidies.
³	Includes compensation for realisation/value of turnover at withdrawal of non-financial current assets minus amount included in income 2007.