| Country | ISO Code | Count | |
|---|---|---|---|
| Guinea | GN | 97 | |
| Tanzania | TZ | 46 | |
| Zambia | ZM | 20 | |
| Malawi | MW | 14 | |
| Sierra Leone | SL | 14 | |
| Burundi | BI | 8 | |
| Cabinda, Angola | AO | 3 | |
| Zaire (please use Democratic Republic of the Congo), Congo (Kinshasa). This is now Democratic Republic of the Congo, Democratic Republic of the Congo | CD | 2 | |
| Liberia | LR | 2 | |
| Morocco, Mascarene Islands | MA | 1 | |
| Ivory Coast | CI | 1 | |
| Thailand | TH | 1 | |
| Mozambique Channel Isl, Mozambique | MZ | 1 | |
| Total | 210 |