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Significant accounting policies, estimates and judgements (Tables) | 12 Months Ended
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Dec. 31, 2022
Significant accounting policies, estimates and judgements |
Schedule of foreign exchange rates used to translate the financial statements into Parent's functional currency | The main foreign exchange rates used to translate the financial statements into the parent’s functional currency are indicated below:
(currency amount for 1 €) | Annual average exchange rate 2022 |  |  | Exchange rate at December 31, 2022 |  |  | Annual average exchange rate 2021 |  |  | Exchange rate at December 31, 2021 |  |  | Annual average exchange rate 2020 |  |  | Exchange rate at December 31, 2020 |
U.S. Dollar | 1.05 |  |  | 1.07 |  |  | 1.18 |  |  | 1.13 |  |  | 1.14 |  |  | 1.23 |
Pound Sterling | 0.85 |  |  | 0.89 |  |  | 0.86 |  |  | 0.84 |  |  | 0.89 |  |  | 0.90 |
Australian Dollar | 1.52 |  |  | 1.57 |  |  | 1.57 |  |  | 1.56 |  |  | 1.66 |  |  | 1.59 |

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