| 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 |