| Value | Category |
|---|---|
| 1 | Rely on parents |
| 2 | Loans/borrowed money |
| 3 | Remittances from abroad |
| 4 | Proceeds from family farm |
| 5 | Proceeds from family non-farm enterprise |
| 6 | Income from family property |
| 7 | Association support |
| 8 | Church assistance |
| 9 | Relatives/friends |
| 10 | Other |
| Sysmiss |