|
|
| 278 | ||
| 145 | ||
| 50 | ||
| 26 | ||
| 22 | ||
| 22 | ||
| 21 | ||
| 21 | ||
| 18 | ||
| 16 | ||
| 9 | ||
| 7 | ||
| 7 | ||
| 7 | ||
| 6 | ||
| 4 | ||
| 3 | ||
| 1 | ||
| 1 |
| 33 | ||
| 30 | ||
| 21 | ||
| 20 | ||
| 19 | ||
| 9 | ||
| 7 | ||
| 7 | ||
| 6 | ||
| 5 | ||
| 5 | ||
| 5 | ||
| 4 | ||
| 3 | ||
| 2 | ||
| 2 | ||
| 1 | ||
| 1 |
| 1 | 1 | 2 | 1 | 2 | 2 | 4 | 8 | 14 | 19 | 24 | 57 | 34 | 30 | 24 | 23 | 17 | 3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 13 | 17 | 12 | 30 | 21 | 29 | 34 | 19 | 30 | 25 | 21 | 15 |
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| SUMMER | 81 | |
| FALL | 75 | |
| SPRING | 61 | |
| WINTER | 45 |
| United States | 148 | |
| Canada | 20 | |
| Norway | 9 | |
| United Kingdom | 6 | |
| Iceland | 4 | |
| Australia | 3 | |
| Mexico | 2 | |
| New Zealand | 2 | |
| Russia | 2 | |
| Antarctica | 1 | |
| Egypt | 1 | |
| Israel | 1 | |
| Kiribati | 1 | |
| South Africa | 1 | |
| Turkey | 1 |
Observations from Members