| 
       
  | 
    
       2022  | 
    
       2021  | 
  
| 
       Third parties  | 
    
       539,313  | 
    
       478,866  | 
  
| 
       Associates  | 
    
       7,603  | 
    
       7,628  | 
  
| 
       Shareholders  | 
    
       619  | 
    
       502  | 
  
| 
       Allowance for doubtful accounts  | 
    
       -13,951  | 
    
       -11,912  | 
  
| 
       Total  | 
    
       533,584  | 
    
       475,084  |