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Earnings/(losses) per share (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of Basic and Diluted Earnings (Losses) per Share
Basic and diluted earnings/(losses) per share is analysed as follows:
 
 
  
2019
 
  
2018
 
  
2017
 
Weighted average number of ordinary shares
  
 
54,853,045
 
  
 
54,853,045
 
  
 
54,853,045
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Basic earnings/(losses) per share
  
 
(0.61
) 
  
 
0.61
 
  
 
(0.55
) 
 
  
 
 
 
  
 
 
 
  
 
 
 
Diluted earnings/(losses) per share
  
 
(0.61
) 
  
 
0.61
 
  
 
(0.55
)