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Other income and other expenses (Tables)
 12 Months Ended
Dec. 31, 2019
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Summary of Other Income and Expense
Other income is analysed as follows:
 
 
  
2019
 
  
2018
 
  
2017
 
VAT relief
  
 
1,216
 
  
 
1,392
 
  
 
—  
 
Reimbursement
  
 
519
 
  
 
—  
 
  
 
1,650
 
Release of provisions for contingent liabilities
  
 
332
 
  
 
1,700
 
  
 
—  
 
Other
  
 
3,095
 
  
 
2,852
 
  
 
—  
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Total
  
 
5,162
 
  
 
5,944
 
  
 
1,650