| Value | Category | Cases | |
|---|---|---|---|
| 1 | npk | 64 |
45.7%
|
| 2 | urea | 38 |
27.1%
|
| 3 | composite manure | 29 |
20.7%
|
| 4 | other (specify) | 9 |
6.4%
|
| Sysmiss | 5650 |