| Value | Category |
|---|---|
| 1 | San languages |
| 2 | Caprivi languages |
| 3 | Herero languages |
| 4 | Kavango languages |
| 5 | Nama/Damara languages |
| 6 | Oshiwambo languages |
| 7 | Setswana |
| 8 | Afrikaans |
| 9 | German |
| 10 | English |
| 11 | Other European languages |
| 12 | Other African languages |
| 13 | Asian languages |
| 99 | Don't know |