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Repurchase of shares (Tables)
12 Months Ended
Dec. 31, 2021
Repurchase of shares  
Schedule of share repurchase activity

    

Total number of ADSs purchased as

    

Average price 

Period

part of the publicly announced plan

paid per ADS

July 8 - July 31

 

857,147

 

3.72

August 3 - August 18

 

334,245

 

3.86

Total for the year ended December 31, 2020

 

1,191,392