Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1. | United States | 8 | 7 | 1 | 16 |
| 2. | Russia | 7 | 7 | 5 | 19 |
| 3. | France | 3 | 3 | 2 | 8 |
| 4. | Ethiopia | 3 | 2 | 2 | 7 |
| 5. | Belarus | 3 | 1 | 3 | 7 |
| 6. | Sweden | 2 | 1 | 2 | 5 |
| 7. | Kenya | 2 | 1 | 1 | 4 |
| 7= | South Africa | 2 | 1 | 1 | 4 |
| 9. | Morocco | 2 | 1 | 0 | 3 |
| 10. | Greece | 1 | 1 | 2 | 4 |
| 11. | Cuba | 1 | 1 | 0 | 2 |
| 12. | Italy | 1 | 0 | 2 | 3 |
| 13. | Canada | 1 | 0 | 1 | 2 |
| 14. | Algeria | 1 | 0 | 0 | 1 |
| 14= | Australia | 1 | 0 | 0 | 1 |
| 14= | Dominican Republic | 1 | 0 | 0 | 1 |
| 14= | Ecuador | 1 | 0 | 0 | 1 |
| 14= | Lithuania | 1 | 0 | 0 | 1 |
| 14= | Mexico | 1 | 0 | 0 | 1 |
| 14= | Mozambique | 1 | 0 | 0 | 1 |
| 14= | Poland | 1 | 0 | 0 | 1 |
| 14= | Qatar | 1 | 0 | 0 | 1 |
| 14= | Saint Kitts and Nevis | 1 | 0 | 0 | 1 |
| 24. | Jamaica | 0 | 4 | 2 | 6 |
| 25. | Spain | 0 | 3 | 2 | 5 |
| 26. | Hungary | 0 | 2 | 0 | 2 |
| 27. | Germany | 0 | 1 | 3 | 4 |
| 27= | Japan | 0 | 1 | 3 | 4 |
| 27= | Ukraine | 0 | 1 | 3 | 4 |
| 30. | Great Britain | 0 | 1 | 2 | 3 |
| 31. | Brazil | 0 | 1 | 0 | 1 |
| 31= | Cameroon | 0 | 1 | 0 | 1 |
| 31= | Czech Republic | 0 | 1 | 0 | 1 |
| 31= | Estonia | 0 | 1 | 0 | 1 |
| 31= | Ireland | 0 | 1 | 0 | 1 |
| 31= | Trinidad and Tobago | 0 | 1 | 0 | 1 |
| 31= | Turkey | 0 | 1 | 0 | 1 |
| 38. | Bahamas | 0 | 0 | 3 | 3 |
| 39. | China | 0 | 0 | 2 | 2 |
| 40. | India | 0 | 0 | 1 | 1 |
| 40= | Kazakhstan | 0 | 0 | 1 | 1 |
| 40= | Netherlands | 0 | 0 | 1 | 1 |
| 40= | Senegal | 0 | 0 | 1 | 1 |
Question:
what was the difference in rank between the u.s. and canada?
Answer:
12