| Value | Category | Cases | |
|---|---|---|---|
| 1 | own preparation-manure(compost,biogas) | 15536 |
89.3%
|
| 2 | bought | 1636 |
9.4%
|
| 3 | recieved for free | 229 |
1.3%
|
| 4 | other | 4 |
0%
|
| Sysmiss | 4027 |