| Value | Category |
|---|---|
| 1 | Paid by parents |
| 2 | From personal savings |
| 3 | Loans |
| 4 | Remittance from abroad |
| 5 | Proceeds from family farm |
| 6 | Proceeds from family non-farm enterprise |
| 7 | Income from family property |
| 8 | NGO Support |
| 9 | Government scholarship |
| 10 | Association support |
| 11 | Church assistance |
| 12 | Relatives and friends |
| 13 | Other |
| Sysmiss |