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Earnings per share (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure Of Earnings Per Share Explanatory [Abstract]

Earnings Per Share Explanatory [Text Block]

As expressed, earnings per share are detailed as follows:

Basic earnings per share

For the year ended ‎December 31, 2019

For the year ended ‎December 31, 2018

For the year ended ‎December 31, 2017

ThUS$

ThUS$

ThUS$

Net profit attributable to owners of the parent

278,115

439,830

427,697

Basic earnings per share		For the year ended ‎December 31, 2019				For the year ended ‎December 31, 2018				For the year ended ‎December 31, 2017
		Units				Units				Units
Number of common shares in circulation			263,196,524				263,196,524				263,196,524
Basic earnings per share (US$ per share)			1.0567				1.6711				1.6250

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