| Value | Category |
|---|---|
| 1 | None |
| 2 | R1 - R200 |
| 3 | R201 - R500 |
| 4 | R501 - R1 000 |
| 5 | R1 001 - R1 500 |
| 6 | R1 501 - R2 500 |
| 7 | R2 501 - R3 500 |
| 8 | R3 501 - R4 500 |
| 9 | R4 501 - R6 000 |
| 10 | R6 001 - R8 000 |
| 11 | R8 001 - R11 000 |
| 12 | R11 001 - R16 000 |
| 13 | R16 001 - R30 000 |
| 14 | R30 001 or more |
| 15 | Don't know |
| 16 | Refuse |
| 88 | Not applicable |
| 99 | Unspecified |