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13. Investment properties
 12 Months Ended
Dec. 31, 2018
Investment Properties  
Investment properties

  December 31,  2017 Write-offs and disposals Transfers Depreciation December 31,  2018
           
Investment properties 57,652 (9,995) 13 (50) 47,620
Total 57,652 (9,995) 13 (50) 47,620

 

 

 

  December 31,  2016 Write-offs and disposals Depreciation December 31,  2017
         
Investment properties 57,968 (244) (72) 57,652
Total 57,968 (244) (72) 57,652

 

 

 

  December 31,  2015 Transfers Write-offs and disposals Reversal of estimated losses Depreciation December 31, 2016
             
Investment properties 56,957 1,231 (124) 10 (106) 57,968
Total 56,957 1,231 (124) 10 (106) 57,968

 

 

As of December 31, 2018 and 2017, the market value of these properties is approximately R$386,000 and R$402,000, respectively.