Note 21. Selected operating expenses and additional information

NOTE 21. SELECTED OPERATING EXPENSES AND ADDITIONAL INFORMATION

Personnel expenses for employees were as follows:

	December 31,
	2016	2017
Wages and salaries	119,438	142,141
Social security	14,239	14,131
Pension expenses	5,544	5,931
Share-based payment expenses	8,387	7,801
Restructuring expenses	3,132	782
Total	150,740	170,786

Personnel expenses are included in cost of sales and in operating expenses in the Consolidated statement of profit or loss.

The number of employees, exclusive of temporary workers, by geographical area at year-end was as follows:

The number of employees, exclusive of temporary workers, by function at year-end was as follows: