|
|
| 293 | ||
| 152 | ||
| 55 | ||
| 27 | ||
| 24 | ||
| 23 | ||
| 21 | ||
| 21 | ||
| 20 | ||
| 18 | ||
| 9 | ||
| 7 | ||
| 7 | ||
| 7 | ||
| 6 | ||
| 4 | ||
| 3 | ||
| 1 | ||
| 1 |
| 40 | ||
| 31 | ||
| 25 | ||
| 23 | ||
| 22 | ||
| 13 | ||
| 10 | ||
| 7 | ||
| 6 | ||
| 5 | ||
| 5 | ||
| 5 | ||
| 4 | ||
| 4 | ||
| 3 | ||
| 3 | ||
| 2 | ||
| 1 | ||
| 1 | ||
| 1 |
| 1 | 1 | 2 | 1 | 2 | 2 | 4 | 8 | 14 | 19 | 24 | 57 | 34 | 30 | 24 | 24 | 17 | 9 | 7 |
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| 13 | 18 | 12 | 31 | 22 | 32 | 35 | 21 | 32 | 27 | 22 | 15 |
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| SUMMER | 86 | |
| FALL | 80 | |
| SPRING | 63 | |
| WINTER | 46 |
| United States | 160 | |
| Canada | 20 | |
| Norway | 10 | |
| United Kingdom | 6 | |
| Iceland | 5 | |
| 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