Table 3 Selected key figures for joint-stock companies. 2005 and 2006. Per cent

3 Selected key figures for joint-stock companies. 2005 and 2006¹. Per cent
	2005	2006*


Operating profit margin²
All non-financial joint-stock companies	14.7	16.2
All non-financial joint-stock companies, Mainland Norway	7.5	8.3
Of which road goods transport	4.5	5.2

Operating margin³
All non-financial joint-stock companies	20.1	22.6
All non-financial joint-stock companies, Mainland Norway	12.3	15.1
Of which road goods transport	4.8	5.0

Return on total assets⁴
All non-financial joint-stock companies	13.7	14.9
All non-financial joint-stock companies, Mainland Norway	9.1	10.7
Of which road goods transport	9.6	11.6

Return on equity⁵
All non-financial joint-stock companies	19.7	20.8
All non-financial joint-stock companies, Mainland Norway	16.2	19.4
Of which road goods transport	28.4	32.1

Circulation rate on total assets⁶
All non-financial joint-stock companies	0.6	0.6
All non-financial joint-stock companies, Mainland Norway	0.6	0.6
Of which road goods transport	1.7	2.0

Equity ratio⁷
All non-financial joint-stock companies	39.2	39.9
All non-financial joint-stock companies, Mainland Norway	39.8	39.8
Of which road goods transport	21.7	23.4

Current ratio⁸
All non-financial joint-stock companies	1.13	1.16
All non-financial joint-stock companies, Mainland Norway	1.24	1.27
Of which road goods transport	1.08	1.21

¹	Preliminary figures.
²	Operating profit in per cent of operating income.
³	Operating result before tax in per cent of operating income.
⁴	Operating result before tax + interest expense in per cent of total equity and liabilities at 31 December.
⁵	Operating result in per cent of total equity at 31 December.
⁶	Circulation rate on total assets = Operating income divided on total assets.
⁷	Equity in per cent of total equity and liabilities at 31 December.
⁸	Current assets at 31 December in proportion to short-term liabilities at 31 December.