v3.8.0.1
Other operating income and expenses (Tables)
 12 Months Ended
Dec. 31, 2017
Other operating income and expenses [Abstract]  
Other operating income
The table below shows the detail of Other operating income and expenses for the years ended December 31, 2017, 2016 and 2015:

 
For the twelve-month year ended December 31,
 
Other operating income
2017
  
2016
 
2015
 
     
Grants
  
59,707
   
59,085
   
67,859
 
Income from various services and insurance proceeds
  
21,137
   
6,453
   
998
 
Total
  
80,844
   
65,538
   
68,857
 
Other operating expenses
  
For the twelve-month year ended December 31,
 
Other operating expenses
 
2017
  
2016
  
2015
 
Leases and fees
  
(6,641
)
  
(5,309
)
  
(3,865
)
Operation and maintenance
  
(129,873
)
  
(133,292
)
  
(116,405
)
Independent professional services
  
(36,178
)
  
(30,515
)
  
(19,046
)
Supplies
  
(20,350
)
  
(17,177
)
  
(18,001
)
Insurance
  
(24,289
)
  
(23,390
)
  
(20,277
)
Levies and duties
  
(52,409
)
  
(44,440
)
  
(32,352
)
Other expenses
  
(14,721
)
  
(6,195
)
  
(14,882
)
Total
  
(284,461
)
  
(260,318
)
  
(224,828
)