| Value | Category |
|---|---|
| 01 | Dodoma |
| 02 | Arusha |
| 03 | Kilimanjaro |
| 04 | Tanga |
| 05 | Morogoro |
| 06 | Pwani |
| 07 | Dar es Salaam |
| 08 | Lindi |
| 09 | Mtwara |
| 10 | Ruvumba |
| 11 | Iringa |
| 12 | Mbeya |
| 13 | Singida |
| 14 | Tabora |
| 15 | Rukwa |
| 16 | Kigoma |
| 17 | Shinyanga |
| 18 | Kagera |
| 19 | Mwanza |
| 20 | Mara |
| 51 | Zanzibar Kaskazini |
| 52 | Zanzibar Kati na Kusini |
| 53 | Zanzibar Mjini na Magh |
| 54 | Pemba Kaskazini |
| 55 | Pemba Kusini |
| 60 | Tanzania |
| 61 | Burundi |
| 62 | Comoro |
| 63 | Kenya |
| 64 | Malawi |
| 65 | Mozambique |
| 66 | Namibia |
| 67 | Rwanda |
| 68 | Seychelles |
| 69 | Somalia |
| 70 | South Africa |
| 71 | Uganda |
| 72 | Zaire |
| 73 | Zambia |
| 74 | Zimbabwe |
| 75 | Other African country |
| 76 | India |
| 77 | Pakistan |
| 78 | Other Asian country |
| 79 | Italy |
| 80 | Denmark, Finland, Norway, Sweden |
| 81 | United Kingdom |
| 82 | West Germany |
| 83 | Other European country |
| 84 | Canada |
| 85 | United States |
| 86 | Other country |
| 99 | Not stated |