| Value | Category |
|---|---|
| 0 | 0. Not applicable |
| 1 | 1. None |
| 2 | 2. R1 - R99 |
| 3 | 3. R100 - R199 |
| 4 | 4. R200 - R499 |
| 5 | 5. R500 - R999 |
| 6 | 6. R1 000 - R1 999 |
| 7 | 7. R2 000 - R3 999 |
| 8 | 8. R4 000 - R7 999 |
| 9 | 9. R8 000 - R15 999 |
| 10 | 10. R16 000 - R32 999 |
| 11 | 11. R33 000+ |
| 12 | 12. Unspecified |