| SEKm | Dec. 31, 2009 | % of annual- ized net sales |
Dec. 31, 2008 | % of annual- ized net sales |
| Inventories | 10,050 | 8.8 | 12,680 | 11.0 |
| Trade receivables | 20,173 | 17.7 | 20,734 | 17.9 |
| Accounts payable | –16,031 | –14.1 | –15,681 | –13.6 |
| Provisions | –9,447 | –13,529 | ||
| Prepaid and accrued income and expenses | –7,998 | –7,263 | ||
| Taxes and other assets and | ||||
| liabilities | –1,901 | –2,072 | ||
| Working capital | –5,154 | –4.5 | –5,131 | –4.4 |
| Property, plant and equipment | 15,315 | 17,035 | ||
| Goodwill | 2,274 | 2,095 | ||
| Other non-current assets | 5,197 | 4,602 | ||
| Deferred tax assets and liabilities | 1,874 | 2,340 | ||
| Net assets | 19,506 | 17.1 | 20,941 | 18.1 |
| Average net assets | 19,411 | 17.8 | 20,538 | 19.6 |
| Return on net assets, % | 19.4 | 5.8 | ||
| Return on net assets, excluding | ||||
| items affecting comparability, % | 26.2 | 7.2 | ||
| Value creation | 2,884 | –1,040 |