| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nitrate | 14 |
23%
|
| 2 | Phosphate | 29 |
47.5%
|
| 3 | Potash | 5 |
8.2%
|
| 4 | mixed | 13 |
21.3%
|
| Sysmiss | 6850 |