By nature, the breakdown of general and administrative expenses is as follows:
| December 31, | ||||||||||||
| General and administrative expenses | 2015 | 2016 | 2017 | |||||||||
| (thousands of Euros) | ||||||||||||
|
Personnel expenses |
8,768 | 22,613 | 19,742 | |||||||||
|
Fees |
4,234 | 7,701 | 10,347 | |||||||||
|
Rental |
305 | 501 | 584 | |||||||||
|
Insurance policies |
1,239 | 1,853 | 1,367 | |||||||||
|
Corporate communication and travel expenses |
1,010 | 1,136 | 1,599 | |||||||||
|
Depreciation and amortization |
74 | 181 | 422 | |||||||||
|
Others |
1,229 | 1,020 | 1,776 | |||||||||
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Total general and administrative expenses |
16,859 | 35,005 | 35,837 | |||||||||
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