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| 242 | ||
| 79 | ||
| 65 | ||
| 17 | ||
| 9 | ||
| 8 | ||
| 7 | ||
| 5 | ||
| 5 | ||
| 4 | ||
| 2 | ||
| 1 | ||
| 1 | ||
| 1 |
| 157 | ||
| 129 | ||
| 113 | ||
| 56 | ||
| 45 | ||
| 36 | ||
| 27 | ||
| 24 | ||
| 18 | ||
| 15 | ||
| 12 | ||
| 12 | ||
| 11 | ||
| 9 | ||
| 6 | ||
| 5 | ||
| 4 | ||
| 3 | ||
| 3 | ||
| 2 |
| 1 | 1 | 3 | 2 | 2 | 1 | 25 | 71 | 84 | 52 | 40 | 26 |
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| 38 | 32 | 29 | 25 | 16 | 16 | 21 | 34 | 20 | 19 | 30 | 28 |
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| WINTER | 96 | |
| SUMMER | 69 | |
| FALL | 67 | |
| SPRING | 67 |
| United States | 144 | |
| Canada | 46 | |
| Norway | 20 | |
| Iceland | 19 | |
| Russia | 10 | |
| United Kingdom | 7 | |
| Mexico | 6 | |
| Finland | 4 | |
| France | 4 | |
| India | 4 | |
| Sweden | 3 | |
| Argentina | 2 | |
| Australia | 2 | |
| Spain | 2 | |
| Belgium | 1 | |
| Brazil | 1 | |
| Chile | 1 | |
| Costa Rica | 1 | |
| Greece | 1 | |
| Guatemala | 1 | |
| Honduras | 1 | |
| Indonesia | 1 | |
| Italy | 1 | |
| Japan | 1 | |
| Kazakhstan | 1 | |
| Kenya | 1 | |
| Malaysia | 1 | |
| Pakistan | 1 | |
| Papua New Guinea | 1 | |
| Philippines | 1 | |
| Singapore | 1 | |
| South Africa | 1 | |
| Svalbard and Jan Mayen | 1 |
Observations from Members