40 Total expense for the period
(XLS:)
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€ million |
2017 |
2016 |
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Cost of materials |
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Cost of raw materials, consumables and supplies, purchased merchandise and services |
151,449 |
140,307 |
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Personnel expenses |
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Wages and salaries |
31,432 |
29,971 |
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Social security, post-employment and other employee benefit costs |
7,518 |
7,046 |
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38,950 |
37,017 |