| 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 | Do not know |
| 16 | Refuse to answer |