| Value | Category |
|---|---|
| 0 | |
| 1 | Changes in agricultural policy |
| 2 | Expension in non-agricultural production |
| 3 | Weather |
| 4 | Disaster |
| 5 | Price impact |
| 6 | Changes in ability to be more qualified, obtain more education |
| 7 | Changes in ability to use health services |
| 8 | Changes in ability to use social services |
| 9 | Other reason |
| Sysmiss |