| Scale of the organization |
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| 2019 | 2020 | 2021 | 2022 | 2023 | |
| Number of own employees (not including trainees and apprentices) | 5.760 | 5.349 | 5.840 | 5.624 | 5.770 |
| Number of permanent service providers | N/A | 7.136 | 7.662 | 8.596 | 8.784 |
| Number of temporary service providers | N/A | 5.088 | 7.624 | 3.795 | 8.946 |
| Total number of service providers | 11.470 | 12.224 | 15.286 | 18.015 | 23.500 |
| Production Brazil (tons of ore processed) | 2, 58 million | 2,80 million | 2,613 million | 2,6 milhões | 4,2 milhões |
| Production Peru (tons of ore processed) | 10,43 million | 8,05 million | 9,718 million | 9,7 milhões | 9,6 milhões |
|
N/A: Data not reported for the period |