| 1. | United States | 2.95 $ | |
| 2. | Costa Rica | 2.68 $ | |
| 3. | Canada | 2.62 $ | |
| 4. | El Salvador | 2.38 $ | |
| 5. | Panama | 2.08 $ | |
| 6. | Venezuela | 1.84 $ | |
| 7. | Mexico | 1.82 $ | |
| 8. | Cuba | 1.79 $ | |
| 9. | Uruguay | 1.79 $ | |
| 10. | Chile | 1.42 $ | |
| 11. | Ecuador | 1.18 $ | |
| 12. | Argentina | 1.14 $ | |
| 13. | Brazil | 1.11 $ | |
| 14. | Bolivia | 1.05 $ | |
| 15. | Colombia | 1.03 $ | |
| 16. | Peru | 0.98 $ |