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Analysis of changes in financing during the year
12 Months Ended
Dec. 31, 2019
Analysis of changes in financing during the year [Abstract]  
Analysis of changes in financing during the year
27.
Analysis of changes in financing during the year
The following chart provides a reconciliation between the opening and closing balances for liabilities arising from financing activities:
 
   
2019
   
2018
 
Debt securities issued
    
Opening balance
  
 
3,805,337
 
  
 
4,661,754
 
Gain of control over subsidiaries
   3,712,359    —   
Capital inflows
   8,571,953    1,237,567 
Capital outflows
   (4,447,323   (893,035
Interests and adjustments accrued
   4,198,955    1,359,246 
Interests paid
   (2,469,755   (1,225,440
Inflation effect on debt securities issued
   (3,535,720   (1,334,755
  
 
 
   
 
 
 
Closing balance
  
 
9,835,806
 
  
 
3,805,337