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Employee benefit expense
12 Months Ended
Dec. 31, 2019
Classes Of Employee Benefits Expense [Abstract]  
Employee benefit expense

18. Employee benefit expense

The following employee benefit expenses are included in cost of products and services sold, administration, exploration, research and development and property, plant and equipment:

20192018
Wages and salaries$238,000$305,367
Statutory and company benefits41,97250,477
Expenses related to defined benefit plans [note 25]4,7903,527
Expenses related to defined contribution plans [note 25]11,76713,431
Equity-settled share-based compensation [note 24]17,46918,821
Cash-settled share-based compensation [note 24](1,437)3,597
Total$312,561$395,220