21. Employee benefit expense

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

  2012 2011
Wages and salaries $535,159 $513,824
Statutory and company benefits 69,423 62,765
Equity-settled share-based compensation 22,780 24,139
Expenses related to defined benefit plans 55,366 46,524
Contributions to defined contribution plans 16,114 16,663
Cash-settled share-based compensation 677 (10,333)
Total $699,519 $653,582