Potassium nitrate - agricultural use (тонн)
| 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| Чехия | | 1 406 | 1 649 | | | | | | | | | | 0 | |
| Словакия | 379 | 256 | 313 | | | | | 41 | 18 | 30 | 32 | 34 | 33 | 51 |
| Венгрия | | 2 500 | 2 500 | 500 | 480 | 365 | 382 | 398 | 315 | 164 | 226 | 167 | 926 | 953 |
| Польша | | 13 077 | 11 805 | | | | | | | | | | | |