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Employee benefits
 12 Months Ended
Dec. 31, 2021
Classes of employee benefits expense [abstract]  
Employee benefits Employee benefits
 202120202019
Wages and salaries1,055,959 483,600 348,731 
Social security costs258,488 138,960 117,604 
Profit sharing and annual bonuses61,629 89,973 45,596 
Share-based payments113,169 120,777 64,509 
1,489,245 833,310 576,440 
The Group provides a standard benefit package to all employees, consisting primarily of health care plans, group life insurance, meal and food vouchers and transportation vouchers. The commission paid to salespeople are included in Wages and salaries.