Earnings per share

12 Months Ended

Dec. 31, 2020

Earnings per share [Abstract]

Earnings per share

24 Earnings per share

As of December 31, 2020, 2019 and 2018, earnings per share was determined based on the weighted average number of shares outstanding during the year. There are no potentially dilutive instruments outstanding, therefore basic and diluted earnings per share are the same.