| Value | Category |
|---|---|
| 0 | Other |
| 1 | IsiNdebele |
| 2 | IsiXhosa |
| 3 | IsiZulu |
| 4 | Sepedi |
| 5 | Sesotho |
| 6 | Setswana |
| 7 | Siswati |
| 8 | Tshivenda |
| 9 | Xitsonga |
| 10 | Afrikaans |
| 11 | English |
| 12 | Dutch |
| 13 | German |
| 14 | Greek |
| 15 | Italian |
| 16 | Portuguese |
| 17 | French |
| 18 | Tamil |
| 19 | Hindi |
| 20 | Telegu |
| 21 | Gujarati |
| 22 | Urdu |
| 23 | Chinese |
| 24 | Swahili |
| 25 | Shona |
| 26 | Arabic |
| 99 | Unspecified |