| Value | Category | 
|---|---|
| 1 | 1. No education | 
| 2 | 2. Primary, no diploma | 
| 3 | 3. Primary | 
| 4 | 4. Secondary, no diploma | 
| 5 | 5. Secondary | 
| 6 | 6. Middle, no diploma | 
| 7 | 7. Middle | 
| 8 | 8. TVET, no diploma | 
| 9 | 9. TVET | 
| 10 | 10. University, no diploma | 
| 11 | 11. University | 
| 12 | 12. Post University, no diploma | 
| 13 | 13. Post University |