| Value | Category |
|---|---|
| -77 | -77. Not Apllicable |
| 1 | 1. Swahili |
| 2 | 2. Kikuyu |
| 3 | 3. Maasai |
| 4 | 4. Kamba |
| 5 | 5. Ekegusii |
| 6 | 6. Dholuo |
| 7 | 7. Kalinjin |
| 8 | 8. Kimiiru |
| 9 | 9. Oluluyia |
| 10 | 10. Kigiryama |
| 11 | 11. Kiembu |
| 12 | 12. Turkana |
| 13 | 13. Somali |
| 14 | 14. Arabic |
| 15 | 15. Oromo |
| 16 | 16. Rendille |
| 17 | 17. Hindi |
| 18 | 18. English |
| 97 | 97. Other |
| Sysmiss |