| Value | Category |
|---|---|
| -9 | -9. Don't know |
| -5 | -5. Refused |
| -3 | -3. Not applicable |
| 0 | 0. Non-metro |
| 1 | 1. Johannesburg |
| 2 | 2. East Rand |
| 3 | 3. Pretoria |
| 4 | 4. Vaal |
| 5 | 5. Durban |
| 6 | 6. Pietermaritzburg |
| 7 | 7. Port Elizabeth |
| 8 | 8. East London |
| 9 | 9. Cape Town |
| 10 | 10. Bloemfontein |
| 11 | 11. Welkom |