| Value | Category | Cases | |
|---|---|---|---|
| 1 | Own preparation (manure, compost, Biogas, etc.) | 18630 |
88.9%
|
| 2 | Bought | 1655 |
7.9%
|
| 3 | Received for free | 668 |
3.2%
|
| 4 | Other (Specify) | 12 |
0.1%
|
| Sysmiss | 11651 |