| 1. | United States | 4.49 $ | |
| 2. | Canada | 3.77 $ | |
| 3. | Costa Rica | 3.10 $ | |
| 4. | Panama | 2.65 $ | |
| 5. | El Salvador | 2.55 $ | |
| 6. | Chile | 1.80 $ | |
| 7. | Venezuela | 1.65 $ | |
| 8. | Mexico | 1.62 $ | |
| 9. | Cuba | 1.53 $ | |
| 10. | Uruguay | 1.44 $ | |
| 11. | Ecuador | 1.39 $ | |
| 12. | Argentina | 1.36 $ | |
| 13. | Colombia | 1.23 $ | |
| 14. | Bolivia | 1.21 $ | |
| 15. | Brazil | 1.04 $ | |
| 16. | Peru | 0.99 $ |