
| 2016 | 2017 | 2018 | |
|---|---|---|---|
| 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 | 7.5 | 9.7 | 10.4 |
| Operating margin2 | 11.4 | 17.2 | 17.7 |
| Return on total assets3 | 6.2 | 8.7 | 9.0 |
| Return on equity4 | 8.4 | 12.3 | 11.9 |
| Equity ratio5 | 44.1 | 45.6 | 47.2 |
| Current ratio6 | 1.17 | 1.19 | 1.19 |
| Number of enterprises | 263 241 | 275 605 | 282 853 |