| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nitrate | 25 |
18.7%
|
| 2 | Phosphate | 25 |
18.7%
|
| 3 | Potash | 6 |
4.5%
|
| 4 | Mixed | 78 |
58.2%
|
| Sysmiss | 7395 |