1. Benin
2. Burkina Faso
3. Cape Verde
4. Cote D'Ivoire
5. Gambia
6. Ghana
7. Guinea
8. Guinea - Bissau
9. Liberia
10. Mali
11. Mauritania
12. Nager
13. Nageria
14. Senegal
15. Sierra Leone
16. Togo
17. Cameroon
18. Chad
19. Sahel
20. Sudan
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