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Expenses by nature (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Expenses by Nature | The following table shows the expenses by nature as required by IAS 1.104.
|  | 2018 |  |  | 2017 |
Changes in inventories |  |  | 6,850 |  |  |  | (63 | )
Raw materials and consumables |  |  | 177,905 |  |  |  | 181,574 |
Services |  |  | 107,074 |  |  |  | 118,681 |
Employee benefits expense |  |  | 137,425 |  |  |  | 141,433 |
Depreciation and amortization, net of government grants |  |  | 10,003 |  |  |  | 11,361 |
Other |  |  | 19,334 |  |  |  | 19,774 |
Total cost of sales, selling and administrative expenses |  |  | 458,591 |  |  |  | 472,760 |
Summary of Depreciation and Amortization | The following table shows in which caption is included the depreciation and amortization.
|  | 2018 |  |  | 2017 |
Included in cost of sales |  |  |  |  |  |  |  |
Depreciation |  |  | 7,455 |  |  |  | 8,564 |
Amortisation |  |  | 34 |  |  |  | 74 |
Government grants |  |  | (1,061 | ) |  |  | (1,068 | )
Total (a) |  |  | 6,428 |  |  |  | 7,570 |
Included in selling expenses |  |  |  |  |  |  |  |
Depreciation |  |  | 2,274 |  |  |  | 1,818 |
Amortisation |  |  | — |  |  |  | 306 |
Total (b) |  |  | 2,274 |  |  |  | 2,124 |
Included in administrative expenses |  |  |  |  |  |  |  |
Depreciation |  |  | 425 |  |  |  | 478 |
Amortisation |  |  | 876 |  |  |  | 1,190 |
Total (c) |  |  | 1,301 |  |  |  | 1,668 |
Total depreciation and amortization (a+b+c) |  |  | 10,003 |  |  |  | 11,362 |
Summary of Employee Benefit Expense | The following table shows in which caption is included the employee benefits expense.
|  | 2018 |  |  | 2017 |
Included in cost of sales |  |  |  |  |  |  |  |
Salary and wages |  |  | 62,815 |  |  |  | 57,401 |
Social security costs |  |  | 18,310 |  |  |  | 18,854 |
Employees’ leaving entitlement |  |  | 3,827 |  |  |  | 3,710 |
Other costs |  |  | 4,881 |  |  |  | 12,342 |
Total (a) |  |  | 89,833 |  |  |  | 92,307 |
Included in selling expenses |  |  |  |  |  |  |  |
Salary and wages |  |  | 19,754 |  |  |  | 20,475 |
Social security costs |  |  | 4,019 |  |  |  | 4,376 |
Employees’ leaving entitlement |  |  | 350 |  |  |  | 660 |
Other costs |  |  | 3,472 |  |  |  | 1,064 |
Total (b) |  |  | 27,595 |  |  |  | 26,575 |
Included in admnistrative expenses |  |  |  |  |  |  |  |
Salary and wages |  |  | 14,585 |  |  |  | 13,843 |
Social security costs |  |  | 3,638 |  |  |  | 3,570 |
Employees’ leaving entitlement |  |  | 635 |  |  |  | 831 |
Other costs |  |  | 1,139 |  |  |  | 4,307 |
Total (c) |  |  | 19,997 |  |  |  | 22,551 |
Total (a+b+c) |  |  | 137,425 |  |  |  | 141,433 |

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