| Value | Category |
|---|---|
| 0 | Wrong code |
| 1 | Tanzanian |
| 2 | Other eac states: kenya, uganda, burundi na rwanda) |
| 3 | Other sadc states (mozambique, malawi, zambia, zimbabwe, angola, namibia, south africa, botswana, swaziland, mauritania and lesotho.) |
| 4 | Others (specify). |
| 5 | Wrong code |
| 9 | Wrong code |