|€ x 1,000||€ x 1,000|
|Wages and salaries||122,384||122,649|
|Social security charges||14,595||14,402|
|Other personnel costs||4,170||6,024|
The average number of employees (FTEs) was 3,139 in 2020 (2019: 3,410).
All expenses are reported on an accrual accounting basis, meaning when the expenses are incurred (services are received), not necessarily when they are paid. For more details on accounting policies regarding pension contributions and share-based payments see note 4.11.3 and note 4.17.4 respectively.