| 1. | United States | 4.90 $ | |
| 2. | Canada | 4.09 $ | |
| 3. | Uruguay | 3.12 $ | |
| 4. | Panama | 2.95 $ | |
| 5. | Costa Rica | 2.83 $ | |
| 6. | El Salvador | 2.71 $ | |
| 7. | Argentina | 2.33 $ | |
| 8. | Venezuela | 1.81 $ | |
| 9. | Chile | 1.70 $ | |
| 10. | Mexico | 1.64 $ | |
| 11. | Cuba | 1.45 $ | |
| 12. | Brazil | 1.41 $ | |
| 13. | Ecuador | 1.28 $ | |
| 14. | Colombia | 1.11 $ | |
| 15. | Bolivia | 1.10 $ | |
| 16. | Peru | 1.04 $ |