| ANNUAL PRODUCTION 2016-2021 in tons | ||||||
| Years | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Production | 17,022,186.68 | 17,716,200.20 | 17,454,431.60 | 14,568,858 | 15,504,607.10 | 20,132,000 |