| Value | Category |
|---|---|
| 0 | None |
| 1 | Bushman languages |
| 2 | Caprivi languages |
| 3 | Herero languages |
| 4 | Kavango languages |
| 5 | Nama Damara/Damara Nama languages |
| 6 | Oshiwambo languages |
| 7 | Tswana languages |
| 8 | European languages |
| 9 | Other african languages |
| 10 | Other languages |
| Sysmiss |