| United States | 227 |
| Russia | 142 |
| Italy | 89 |
| Germany | 87 |
| Canada | 55 |
| Australia | 51 |
| Japan | 44 |
| People's Republic of China | 44 |
| United Kingdom | 36 |
| Chile | 30 |
| Norway | 30 |
| Sweden | 27 |
| Brazil | 26 |
| Czech Republic | 25 |
| France | 25 |
| Austria | 21 |
| Switzerland | 21 |
| Mexico | 17 |
| Greenland | 16 |
| South Africa | 16 |
| Kazakhstan | 15 |
| Greece | 14 |
| Argentina | 12 |
| Democratic Republic of the Congo | 12 |
| Poland | 12 |
| Spain | 12 |
| Morocco | 10 |
| Slovakia | 10 |
| Tajikistan | 9 |
| Bolivia | 8 |
| Israel | 7 |
| Portugal | 7 |
| Romania | 7 |
| Finland | 6 |
| Hungary | 6 |
| Namibia | 6 |
| India | 5 |
| Jordan | 5 |
| Madagascar | 5 |
| Sri Lanka | 5 |
| Tanzania | 5 |
| Belgium | 4 |
| Myanmar | 4 |
| New Zealand | 4 |
| Peru | 4 |
| Algeria | 3 |
| Egypt | 3 |
| Iceland | 3 |
| Iran | 3 |
| Kyrgyzstan | 3 |
| Serbia | 3 |
| Ukraine | 3 |
| Zambia | 3 |
| Botswana | 2 |
| Guinea | 2 |
| Iraq | 2 |
| North Macedonia | 2 |
| Palestine | 2 |
| Venezuela | 2 |
| Yemen | 2 |