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Depreciation and Amortization
12 Months Ended
Dec. 31, 2020
Depreciation and amortization expense [abstract]  
Depreciation and amortization
38. Depreciation and amortization
 
   
2020
   
2019
   
2018
 
Depreciation of property and equipment
   3,026,203    4,242,671    3,698,337 
Amortization of right of use
   695,110    766,294    —   
Amortization of intangible assets
   308,544    686,628    317,458 
Depreciation of investment properties
   35,892    29,277    9,256 
Depreciation of other assets
   232    3,664    704 
   
 
 
   
 
 
   
 
 
 
TOTAL
  
 
    4,065,981
 
  
 
    5,728,534
 
  
 
    4,025,755