27. Personnel Costs

Personnel costs for the period ended December 31, 2014 and 2013 comprise of the following:

Year ended December 31, 2014 Year ended December 31, 2013
Wages and salaries 56,006 47,029
Stock appreciation rights (SAR) 594 519
Other costs 3,655 5,487
Total employee costs 60,255 53,035
Social security contributions (social taxes) 11,886 10,633
Total employee costs (with social taxes) 72,141 63,668