| Value | Category |
|---|---|
| 0 | No income |
| 1 | R1-499 |
| 2 | R500-699 |
| 3 | R700-999 |
| 4 | R1000-1499 |
| 5 | R1500-1999 |
| 6 | R2000-2999 |
| 7 | R3000-4999 |
| 8 | R5000-6999 |
| 9 | R7000-9999 |
| 10 | R10000-14999 |
| 11 | R15000-19999 |
| 12 | R20000-29999 |
| 13 | R30000-49999 |
| 14 | R50000-69999 |
| 15 | R70000-99999 |
| 16 | R100000-149999 |
| 17 | R150000-199999 |
| 18 | R200000-299999 |
| 19 | R300000-499999 |
| 20 | R500000 & over |
| 21 | Unspecified |