| Value | Category | Cases | |
|---|---|---|---|
| 1 | npk | 1293 |
63.9%
|
| 2 | urea | 636 |
31.4%
|
| 3 | composite manure | 50 |
2.5%
|
| 4 | other (specify) | 46 |
2.3%
|
| Sysmiss | 3765 |