| Iringa | Mpwapwa | Kilosa | Kondoa | Singida | Corn | Korie | Sundrop | Sunola® | |
| Iringa | - | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Mpwapwa | 100.0 | - | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Kilosa | 100.0 | 100.0 | - | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Kondoa | 100.0 | 100.0 | 100.0 | - | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Singida | 94.0 | 90.0 | 90.0 | 100.0 | - | 0.0 | 0.0 | 0.0 | 0.0 |