Table

Key figures for limited companies.
	2015	2016	2017
¹Operating profit in per cent of operating income.
²Operating result before tax in per cent of operating income.
³Operating result before tax + interest expense in per cent of total equity and liabilities at 31 December.
⁴Operating result in per cent of total equity at 31 December.
⁵Equity in per cent of total equity and liabilities at 31 December.
⁶Current assets at 31 December in proportion to short-term liabilities at 31 December.
Operating profit margin¹	7.4	7.5	9.7
Operating margin²	7.9	11.4	17.2
Return on total assets³	4.7	6.2	8.7
Return on equity⁴	5.2	8.4	12.3
Equity ratio⁵	44.0	44.1	45.6
Current ratio⁶	1.20	1.17	1.19
Number of enterprises	245 750	263 241	275 605