| 19 | ||
| 9 | ||
| 6 | ||
| 6 | ||
| 6 | ||
| 5 | ||
| 4 | ||
| 2 | ||
| 2 | ||
| 1 | ||
| 1 | ||
| 1 |
| 2 | 3 | 3 | 6 | 4 | 5 | 1 | 3 | 5 | 8 | 6 |
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| FALL | 13 | |
| SPRING | 12 | |
| SUMMER | 7 | |
| WINTER | 3 |
| United States | 17 | |
| Iceland | 5 | |
| Canada | 3 | |
| Finland | 3 | |
| Norway | 3 | |
| Sweden | 3 | |
| Russia | 2 | |
| Greenland | 1 | |
| Svalbard and Jan Mayen | 1 |