| 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 | Asian languages | 
| Sysmiss |