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Income from reinsurance ceded (Tables)
12 Months Ended
Dec. 31, 2019
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Summary of Income From Reinsurance Ceded
    
            2019
              2018               2017 
Recovered claims and benefits
   3,367   3,127    3,669 
Change in technical provisions
   (53  372    497 
Commissions
   218   241    122 
Total
  
 
3,532
 
 
 
3,740
 
  
 
4,288