| 1. | Nigeria | 2.33 $ | |
| 2. | Ghana | 2.24 $ | |
| 3. | Mauritius | 1.90 $ | |
| 4. | Zimbabwe | 1.81 $ | |
| 5. | Botswana | 1.79 $ | |
| 6. | Ethiopia | 1.75 $ | |
| 7. | Morocco | 1.75 $ | |
| 8. | Namibia | 1.70 $ | |
| 9. | Mozambique | 1.64 $ | |
| 10. | South Africa | 1.53 $ | |
| 11. | Cameroon | 1.50 $ | |
| 12. | Algeria | 1.47 $ | |
| 13. | Tunisia | 1.44 $ | |
| 14. | Kenya | 1.44 $ | |
| 15. | Uganda | 1.32 $ | |
| 16. | Libya | 1.20 $ | |
| 17. | Ivory Coast | 1.06 $ | |
| 18. | Egypt | 0.70 $ |