Note 12 Operating costs divided by type

Group, MSEK 2018 2017
Koncernen, Mkr 2018 2017
Production costs 1) Produktionskostnader 1) 36,471 35,168
Personnel expenses Personalkostnader 10,930 10,673
Depreciation Avskrivningar 990 904
Write-downs Nedskrivningar 34 53
Other operating costs Andra rörelsekostnader 1,404 1,045
Total Summa 49,829 47,843
1) Included in production costs are purchased material, sub-contractors, expenses for property projects and other production costs.