| Country | ISO Code | Count | |
|---|---|---|---|
| Gabon | GA | 35 | |
| Liberia | LR | 34 | |
| Guinea | GN | 28 | |
| Cameroon | CM | 18 | |
| Central African Republic | CF | 4 | |
| Zaire (please use Democratic Republic of the Congo), Congo (Kinshasa). This is now Democratic Republic of the Congo, Democratic Republic of the Congo | CD | 3 | |
| Ivory Coast | CI | 2 | |
| Guinea-Bissau | GW | 1 | |
| Zambia | ZM | 1 | |
| Total | 126 |