| 1. | Nigeria | 2.79 $ | |
| 2. | Ghana | 2.70 $ | |
| 3. | Cameroon | 2.50 $ | |
| 4. | Ivory Coast | 2.37 $ | |
| 5. | Mozambique | 1.62 $ | |
| 6. | Zimbabwe | 1.57 $ | |
| 7. | Ethiopia | 1.41 $ | |
| 8. | Mauritius | 1.39 $ | |
| 9. | Namibia | 1.37 $ | |
| 10. | Botswana | 1.30 $ | |
| 11. | South Africa | 1.06 $ | |
| 12. | Libya | 1.04 $ | |
| 13. | Algeria | 0.92 $ | |
| 14. | Egypt | 0.87 $ | |
| 15. | Morocco | 0.86 $ | |
| 16. | Kenya | 0.83 $ | |
| 17. | Uganda | 0.69 $ | |
| 18. | Tunisia | 0.46 $ |