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Personnel Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Personnel Expenses

Schedule of personnel expenses by function


		Thousands of Euros
		31/12/2019		31/12/2018		31/12/2017
Cost of sales		988,689		810,512		731,192
Research and development		106,472		93,817		90,495
Selling, general & administration expenses		382,472		345,224		323,880
		1,477,633		1,249,553		1,145,567

Schedule of personnel expenses by nature


		Thousands of Euros
		31/12/2019		31/12/2018		31/12/2017
Wages and salaries		1,178,527		1,000,682		917,810
Contributions to pension plans (see note 29)		29,941		21,363		20,347
Other social charges		28,785		29,055		27,679
Social Security		240,380		198,453		179,731
		1,477,633		1,249,553		1,145,567