| Value | Category |
|---|---|
| -3 | illegal missing |
| -2 | dont know |
| -1 | refuse |
| 1 | A qualified person/organization |
| 2 | A friend/relative/neighbor |
| 3 | Farmers union/other type of organization |
| 4 | The founder/owner of enterprise/union |
| 5 | Consultant from MCG/CNFA reviewed my application form |
| Sysmiss |