| 7 | ||
| 3 | ||
| 2 | ||
| 2 | ||
| 1 | ||
| 1 | ||
| 1 | ||
| 1 |
| 2 | ||
| 2 | ||
| 1 | ||
| 1 | ||
| 1 | ||
| 1 |
| 1 | 1 | 1 | 2 | 1 | 1 |
|
|
|
|
|
|
|
| SUMMER | 3 | |
| FALL | 2 | |
| SPRING | 2 |
| United States | 2 | |
| Canada | 1 | |
| Greenland | 1 | |
| Russia | 1 |