| 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 |