Note 12 Operating costs divided by type

Group, MSEK 2019 2018
Koncernen, Mkr 2019 2018
Production costs 1) Produktionskostnader 1) 37,798 36,471
Personnel expenses Personalkostnader 11,743 11,479
Depreciation 2) Avskrivningar 2) 1,208 990
Write-downs Nedskrivningar 52 34
Other operating costs Andra rörelsekostnader 812 855
Total Summa 51,613 49,829
1) Included in production costs are purchased material, sub-contractors, expenses for property projects and other production costs.
2) Effects of additional IFRS 16, Leasing agreements amounted to SEK 166 million.