| Value | Category |
|---|---|
| -9 | -9. Don't know |
| -5 | -5. Refused |
| -3 | -3. Not applicable |
| -1 | -1. Missing |
| 1 | 1. Sepedi (North Sotho) |
| 2 | 2. Sesotho (South Sotho) |
| 3 | 3. Setswana |
| 4 | 4. siSwati/Swazi |
| 5 | 5. Tshivenda |
| 6 | 6. Xitsonga |
| 7 | 7. Afrikaans |
| 8 | 8. English |
| 9 | 9. isiNdebele |
| 10 | 10. isiXhosa |
| 11 | 11. isiZulu |
| 12 | 12. Other |