| Value | Category |
|---|---|
| 1 | No formal education |
| 2 | Primary school |
| 3 | Secondary school |
| 4 | Post-primary technical/vocational school |
| 5 | Post-secondary technical/vocational school |
| 6 | University undergraduate |
| 7 | Graduate school |
| 8 | Diploma |
| 9 | Illiteracy |
| 10 | Intermediate |
| 11 | Master |
| 12 | Other |
| 13 | Don't Know |
| 14 | Refused |